Direction indicators (cars after 08.2001) — Pinpoint tests (Focus 1)

AB1: CHECKING THE SYSTEM USING WDS

1Connect the diagnostic tool.

2Check the system using WDS.

• Are there any diagnostic trouble codes (DTCs)?

→ Yes

PERFORM the necessary DTC actions according to the WDS instructions. CLEAR the fault memory and CHECK the system for proper operation.

→ No

Go to AB2

AB2: CHECKING FUSE F32 (CJB)

1Enter the OFF position.

2CHECK Fuse F32 (CJB).

3Check fuse F32 (15A)

• Is the fuse good?

→ Yes

Go to AB3

→ No

INSTALL a new fuse F32 (15A) and CHECK the system for proper operation. If the fuse blows again, using the wiring diagrams, FIND and REPAIR the short circuit using the wiring diagrams. CHECK the system for proper operation.

AB3: CHECKING VOLTAGE AT FUSE F32 (CJB)

1Connect Fuse F32 (CJB).

2Enter the ON position.

3Measure the voltage between F32 (CJB) and ground.

• Is battery voltage registered?

→ Yes

Go to AB4

→ No

Using the wiring diagrams, RESTORE the power supply to fuse F32. If necessary, INSTALL a new CJB. CHECK the system is operating correctly.

AB4: CHECKING THE COMMON ELECTRONIC MODULE (GEM) GROUND CIRCUIT

1Disconnect C104 General Electronic Module (GEM).

2Measure the resistance between pin 1 of the General Electronic Module (GEM) connector C104, circuit 91-DK20 (BK/RED), harness side, and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AB5

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 91-DK20 (black/red) and 91-DA2 (black/blue) circuit, respectively, between the Generic Electronic Module (GEM) and ground point G41. CHECK that the system is operating correctly.

AB5: DETERMINING THE STATE IN WHICH THE MALFUNCTION OCCURS

1Enter the ON position.

2Check the turn signals.

• Are all direction indicators illuminated at all times?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Direction indicators flash continuously: Go to AB8

All direction indicators off: Go to AB6

AB6: DETERMINING THE STATE IN WHICH THE MALFUNCTION OCCURS

1Turn on the left and right TURN SIGNALS in sequence.

2Check the turn signals.

• Are all the direction indicators not working?

→ Yes

Go to AB7

→ No

Proceed to PINPOINT TEST AD

AB7: CHECKING THE TURN SIGNAL SWITCH

1Enter the OFF position.

2Disconnect C459 turn signal switch.

3Measure the resistance between pin 2 of the turn signal switch connector C459, circuit 91-LG27 (BK/GN), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new turn signal switch. CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 91-LG27 (BK/GN) between the turn signal switch and splice S12. CHECK for proper system operation.

AB8: CHECKING THE HAZARD WARNING LIGHT SWITCH

1Enter the OFF position.

2Disconnect C458 hazard warning light switch.

3Enter the ON position.

4Check the turn signals.

• Are your turn signals constantly flashing?

→ Yes

Go to AB9

→ No

INSTALL a new hazard warning light switch. CHECK the system for proper operation.

AB9: CHECK ELECTRICAL CIRCUIT 91S-LG8 (BLACK/ORANGE) FOR SHORT TO GROUND

1Enter the OFF position.

2Measure the resistance between pin 4 of connector C458 of the hazard warning switch, circuit 91S-LG8 (BK/OG), harness side and ground.

• Does the resistance exceed 10 kOhm?

→ Yes

CHECK the Generic Electronic Module (GEM), INSTALL a new one if necessary. CHECK the system is operating correctly.

→ No

Using the wiring diagrams, LOCATE and REPAIR the short to ground in circuit 91S-LG8 (BK/OG) between the Generic Electronic Module (GEM) and the Hazard Warning Light Switch. CHECK for proper system operation.

AC1: CHECKING THE EARTH CIRCUIT OF THE HAZARD LIGHT SWITCH

1Enter the OFF position.

2Disconnect C458 hazard warning light switch.

3Measure the resistance between pin 5 of the hazard warning light switch connector C458, circuit 91-LG8 (BK/OG), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AC2

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 91-LG8 (Black/Orange) between the hazard warning switch and splice S12. CHECK for proper system operation.

AC2: CHECKING THE HAZARD WARNING LIGHT SWITCH

1Install a fused jumper wire (10 A) into the hazard warning switch connector C458 between pin 4, circuit 91S-LG8 (black/orange), and pin 5, circuit 91-LG8 (black/blue), on the harness side.

2Check the turn signals.

• Are the hazard warning lights working properly?

→ Yes

INSTALL a new hazard warning light switch. CHECK the system for proper operation.

→ No

Go to AC3

AC3: CHECKING THE SYSTEM USING WDS

1Connect the diagnostic tool.

2Check the system using WDS.

• Are there any diagnostic trouble codes (DTCs)?

→ Yes

PERFORM the necessary DTC actions according to the WDS instructions. CLEAR the fault memory and CHECK the system for proper operation.

→ No

Using the wiring diagrams, REPAIR the open in circuit 91S-LG8 (black/orange) between the general electronic module (GEM) and the hazard warning switch. CHECK for proper system operation.

AD1: CHECKING THE SYSTEM USING WDS

1Connect the diagnostic tool.

2Check the system using WDS.

• Are there any diagnostic trouble codes (DTCs)?

→ Yes

PERFORM the necessary DTC actions according to the WDS instructions. CLEAR the fault memory and CHECK the system for proper operation.

→ No

Go to AD2

AD2: DETERMINING THE STATE IN WHICH THE MALFUNCTION OCCURS.

1Enter the ON position.

2Check the turn signals.

• Is any direction indicator constantly on?

→ Yes

Front Direction Indicators, Left Side: Go to AD4

Front Direction Indicators, Right Side: Go to AD5

Rear Direction Indicators, Left Side: Go to AD6

Rear Direction Indicators, Right Side: Go to AD7

→ No

One or more turn signals are not working: Go to AD3

One or more turn signal(s) flash(es) continuously: INSTALL a new Generic Electronic Module (GEM). CHECK that the system is operating correctly.

AD3: DETERMINING THE STATE IN WHICH THE MALFUNCTION OCCURS

1Turn on the left and right TURN SIGNALS in sequence.

2Check the turn signals.

• Are both rear turn signals not working?

→ Yes

4-door version: Go to AD8

3/5 door version: Go to AD9

"Universal" Go to AD10

→ No

Front and left side turn signals not working: Go to AD11

Front and right side turn signals do not work: INSTALL a new Generic Electronic Module (GEM). Check for proper system operation.

Left Side Turn Signal Not Working: Go to AD13

Right Side Turn Signal Not Working: Go to AD15

Left Front Turn Signal Not Working: Go to AD17

Right Front Turn Signal Not Working: Go to AD19

Left Rear Turn Signal Not Working 4 Door: Go to AD21

Left Rear Turn Signal Not Working 3/5 Door: Go to AD24

Left Rear Turn Signal Not Working, Estate: Go to AD27

Right Rear Turn Signal Not Working 4 Door: Go to AD30

Right Rear Turn Signal Not Working 3/5 Door: Go to AD33

Right Rear Turn Signal Not Working, Estate: Go to AD36

AD4: CHECKING THE LEFT FRONT TURN SIGNAL CONTROL CIRCUIT

1Enter the OFF position.

2Disconnect C103 General Electronic Module (GEM).

3Enter the ON position.

4Check the corresponding direction indicators.

• Are the corresponding direction indicators constantly illuminated?

→ Yes

Using the wiring diagrams, LOCATE and REPAIR the short to power in the 49S-LG3 (blue), 49S-LG11 (orange/blue) and 49S-LG13 (red/blue) wiring connected to splice S104. CHECK for proper system operation.

→ No

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

AD5: CHECKING THE RIGHT FRONT TURN SIGNAL CONTROL CIRCUIT

1Enter the OFF position.

2Disconnect C103 General Electronic Module (GEM).

3Enter the ON position.

4Check the corresponding direction indicators.

• Are the corresponding direction indicators constantly illuminated?

→ Yes

Using the wiring diagrams, LOCATE and REPAIR the short to power in the 49S-LG20 (Blue/White) and 49S-LG18 (Blue) circuits connected to pin 3 of the C103 connector of the Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

AD6: CHECKING THE LEFT REAR TURN SIGNAL CONTROL CIRCUIT

1Enter the OFF position.

2Disconnect C101 General Electronic Module (GEM).

3Enter the ON position.

4Check the corresponding direction indicator.

• Is the direction indicator constantly on?

→ Yes

Using the wiring diagrams, LOCATE and REPAIR the short to power in the 49S-LG12 (blue) circuit connected to pin 2 of the C101 common electronic module (GEM) connector. CHECK for proper system operation.

→ No

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

AD7: CHECKING THE RIGHT REAR TURN SIGNAL CONTROL CIRCUIT

1Enter the OFF position.

2Disconnect C102 from the General Electronic Module (GEM).

3Enter the ON position.

4Check the corresponding direction indicator.

• Is the direction indicator constantly on?

→ Yes

Using the wiring diagrams, LOCATE and REPAIR the short to power in the 49S-LG19 (RED/BLUE) circuit connected to pin 4 of the C102 common electronic module (GEM) connector. CHECK for proper system operation.

→ No

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

AD8: CHECKING THE GROUND CIRCUIT OF THE LEFT REAR LAMP ASSEMBLY

1Enter the OFF position.

2Disconnect C477 tail light assembly.

3Measure the resistance between pin 6 of connector C476 left tail lamp assembly, circuit 31-LF23 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, REPAIR the open in circuit 31-DA18 (black) between splice S184 and ground point G46. CHECK for proper system operation.

AD9: CHECKING THE REAR TURN SIGNAL GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C461 left rear turn signal.

3Measure the resistance between pin 2 of connector C461 left rear turn signal, circuit 31-LG12 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, REPAIR the open in circuit 31-DA18 (black) between splice S184 and ground point G46. CHECK for proper system operation.

AD10: CHECKING THE TAIL LAMP ASSEMBLY GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C474 left rear light assembly.

3Measure the resistance between pin 6 of connector C474 left tail lamp assembly, circuit 31-LF23A (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-DA18 (black) between splice S184 and ground point G46. CHECK for proper system operation.

AD11: CHECKING THE LEFT FRONT TURN SIGNAL GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C836 left headlight.

3Measure the resistance between pin 6 of connector C836 left headlight, circuit 31-LE31 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD12

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-DA3 (black) between splice S121 and ground point G37. CHECK for proper system operation.

AD12: CHECK LEFT FRONT TURN SIGNAL CONTROL CIRCUIT FOR OPEN

1Disconnect C103 General Electronic Module (GEM).

2Measure the resistance between pin 4 of the general electronic module (GEM) connector C103, circuit 49S-LG3 (blue), harness side and pin 3 of the left headlight connector C836, circuit 49S-LG11 (orange/blue), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 49S-LG3 (blue) between the Generic Electronic Module (GEM) and splice S104. CHECK for proper system operation.

AD13: CHECKING THE LEFT SIDE TURN SIGNAL GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C753 left side turn signal.

3Measure the resistance between pin 1 of connector C753 left side turn signal, circuit 31-LG13 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD14

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LG13 (Black) between the side turn signal and splice S121. CHECK for proper system operation.

AD14: CHECKING THE LEFT SIDE TURN SIGNAL POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the left TURN SIGNAL.

3Measure the voltage between pin 2 of connector C753 left side turn signal, circuit 49S-LG13 (red/blue), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the side turn signal, INSTALL a new one if necessary. CHECK the system is working correctly.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG13 (red/blue) circuit between the side turn signal and splice S104. Check the bypass condition in the cylinder

AD15: CHECKING THE RIGHT SIDE TURN SIGNAL GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C754 right side turn signal.

3Measure the resistance between pin 1 of connector C754 right side turn signal, circuit 31-LG20 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD16

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LG20 (black) and 31-DA6 (black) between the side turn signal and ground point G24. CHECK for proper system operation.

AD16: CHECKING THE RIGHT SIDE TURN SIGNAL POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the right TURN SIGNAL.

3Measure the voltage between pin 2 of connector C754 right side turn signal, circuit 49S-LG20 (WH/BU), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the side turn signal, INSTALL a new one if necessary. CHECK the system is working correctly.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 49S-LG20 (white/blue) between the side turn signal and the generic electronic module (GEM). CHECK the system for proper operation.

AD17: CHECKING THE LEFT HEADLAMP GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C836 left headlight.

3Measure the resistance between pin 6 of connector C836 left headlight, circuit 31-LE31 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD18

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 31-LE31 (black) circuit between the headlamp and splice S121. CHECK the system for proper operation.

AD18: CHECKING THE LEFT HEADLAMP POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the left TURN SIGNAL.

3Measure the voltage between pin 3 of connector C836 left headlight, circuit 49S-LG11 (orange/blue), harness side, and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the headlight, INSTALL a new one if necessary. CHECK the correct operation of the system.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG11 (orange/blue) circuit between the headlamp and splice S104. CHECK for proper system operation.

AD19: CHECKING THE RIGHT HEADLAMP GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C837 right headlight.

3Measure the resistance between pin 6 of connector C837 of the right headlight, electrical circuit 31-LE30 (black), harness side, and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD20

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuits 31-LE30 (black) and 31-DA4 (black) between the headlamp and ground point G56. CHECK for proper system operation.

AD20: CHECKING THE RIGHT HEADLAMP POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the right TURN SIGNAL.

3Measure the voltage between pin 3 of connector C837 right headlight, circuit 49S-LG18 (blue), harness side, and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the headlight, INSTALL a new one if necessary. CHECK the correct operation of the system.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG18 (blue) circuit between the headlamp and the Generic Electronic Module (GEM). CHECK for proper system operation.

AD21: CHECKING THE GROUND CIRCUIT OF THE LEFT REAR LAMP ASSEMBLY

1Enter the OFF position.

2Disconnect C476 left tail light assembly.

3Measure the resistance between pin 6 of connector C476 left tail lamp assembly, circuit 31-LF23 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD22

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LF23 (Black) between the tail lamp assembly and splice S184. CHECK for proper system operation.

AD22: CHECKING THE LEFT REAR LAMP ASSEMBLY POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the left TURN SIGNAL.

3Measure the voltage between pin 3 of connector C476 left tail lamp assembly, circuit 49S-LG12 (blue), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the tail light assembly, INSTALL a new one if necessary. CHECK the system is working properly.

→ No

Go to AD23

AD23: CHECK ELECTRICAL CIRCUIT 49S-LG12 (BLUE) FOR OPEN

1Enter the OFF position.

2Disconnect C101 General Electronic Module (GEM).

3Measure the resistance between pin 2 of the generic electronic module (GEM) connector C101, circuit 49S-LG12 (blue), harness side and pin 3 of the tail lamp assembly connector C476, circuit 49S-LG12 (blue), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG12 (blue) circuit between the tail lamp assembly and the generic electronic module (GEM). CHECK for proper system operation.

AD24: CHECKING THE LEFT REAR TURN SIGNAL GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C461 left rear turn signal.

3Measure the resistance between pin 2 of connector C461 left rear turn signal, circuit 31-LG12 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD25

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LG12 (Black) between the rear turn signal and splice S184. CHECK for proper system operation.

AD25: CHECKING THE LEFT REAR TURN SIGNAL POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the left TURN SIGNAL.

3Measure the voltage between pin 1 of connector C461 left rear turn signal, circuit 49S-LG12 (blue), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the rear turn signal, INSTALL a new one if necessary. CHECK the system is working correctly.

→ No

Go to AD26

AD26: CHECK ELECTRICAL CIRCUIT 49S-LG12 (BLUE) FOR OPEN

1Enter the OFF position.

2Disconnect C101 General Electronic Module (GEM).

3Measure the resistance between pin 2 of the general electronic module (GEM) connector C101, circuit 49S-LG12 (blue), harness side and pin 1 of the rear turn signal connector C461, circuit 49S-LG12 (blue), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG12 (blue) circuit between the rear turn signal and the common electronic module (GEM). CHECK the system for proper operation.

AD27: CHECKING THE GROUND CIRCUIT OF THE LEFT REAR LAMP ASSEMBLY

1Enter the OFF position.

2Disconnect C474 left rear light assembly.

3Measure the resistance between pin 6 of connector C474 left tail lamp assembly, circuit 31-LF23A (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD28

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LF23A (Black) between the tail lamp assembly and splice S184. CHECK for proper system operation.

AD28: CHECKING THE LEFT REAR LAMP ASSEMBLY POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the left TURN SIGNAL.

3Measure the voltage between pin 5 of connector C474 left tail lamp assembly, circuit 49S-LG12 (blue), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the tail light assembly, INSTALL a new one if necessary. CHECK the system is working properly.

→ No

Go to AD29

AD29: CHECK ELECTRICAL CIRCUIT 49S-LG12 (BLUE) FOR OPEN

1Enter the OFF position.

2Disconnect C101 General Electronic Module (GEM).

3Measure the resistance between pin 2 of the common electronic module (GEM) connector C101, circuit 49S-LG12 (blue), harness side and pin 5 of the tail lamp assembly connector C474, circuit 49S-LG12 (blue), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG12 (blue) circuit between the tail lamp assembly and the generic electronic module (GEM). CHECK for proper system operation.

AD30: CHECKING THE GROUND CIRCUIT OF THE RIGHT TAIL LAMP ASSEMBLY

1Enter the OFF position.

2Disconnect C477 right rear light assembly.

3Measure the resistance between pin 4 of connector C477 right tail lamp assembly, circuit 31-LF24 (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD31

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LF24 (Black) between the tail lamp assembly and splice S184. CHECK for proper system operation.

AD31: CHECKING THE RIGHT TAIL LAMP ASSEMBLY POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the right TURN SIGNAL.

3Measure the voltage between pin 1 of connector C477 right tail lamp assembly, circuit 49S-LG19 (red/blue), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the tail light assembly, INSTALL a new one if necessary. CHECK the system is working properly.

→ No

Go to AD32

AD32: CHECKING ELECTRICAL CONTROL CIRCUIT 49S-LG19 (RED/BLUE) FOR OPEN

1Enter the OFF position.

2Disconnect C102 from the General Electronic Module (GEM).

3Measure the resistance between pin 4 of the generic electronic module (GEM) connector C102, circuit 49S-LG19 (RED/BU), harness side and pin 1 of the right tail lamp assembly C477, circuit 49S-LG19 (RED/BU), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG19 (Red/Blue) circuit between the tail lamp assembly and the Generic Electronic Module (GEM). CHECK for proper system operation.

AD33: CHECKING THE RIGHT REAR TURN SIGNAL GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C462 right rear turn signal.

3Measure the resistance between pin 2 of connector C462 right rear turn signal, circuit 31-LG19 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD34

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LG19 (Black) between the rear turn signal and splice S184. CHECK for proper system operation.

AD34: CHECKING THE RIGHT REAR TURN SIGNAL POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the right TURN SIGNAL.

3Measure the voltage between pin 1 of connector C462 right rear turn signal, circuit 49S-LG19 (RED/BU), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the rear turn signal, INSTALL a new one if necessary. CHECK the system is working correctly.

→ No

Go to AD35

AD35: CHECK ELECTRICAL CONTROL CIRCUIT 49S-LG19 (RED/BLUE) FOR OPEN

1Enter the OFF position.

2Disconnect C102 from the General Electronic Module (GEM).

3Measure the resistance between pin 4 of the common electronic module (GEM) connector C102, circuit 49S-LG19 (RED/BU), harness side and pin 1 of the rear turn signal connector C462, circuit 49S-LG19 (RED/BU), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG19 (Red/Blue) circuit between the rear turn signal and the Generic Electronic Module (GEM). CHECK the system for proper operation.

AD36: CHECKING THE GROUND CIRCUIT OF THE RIGHT TAIL LAMP ASSEMBLY

1Enter the OFF position.

2Disconnect C475 right rear light assembly.

3Measure the resistance between pin 6 of connector C475 right tail lamp assembly, circuit 31-LF24A (black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AD37

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 31-LF24A (Black) between the tail lamp assembly and splice S184. CHECK for proper system operation.

AD37: CHECKING THE RIGHT TAIL LAMP ASSEMBLY POWER SUPPLY CIRCUIT

1Enter the ON position.

2Turn on the right TURN SIGNAL.

3Measure the voltage between pin 5 of connector C475 right tail lamp assembly, circuit 49S-LG19 (red/blue), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the tail light assembly, INSTALL a new one if necessary. CHECK the system is working properly.

→ No

Go to AD38

AD38: CHECK ELECTRICAL CONTROL CIRCUIT 49S-LG19 (RED/BLUE) FOR OPEN

1Enter the OFF position.

2Disconnect C102 from the General Electronic Module (GEM).

3Measure the resistance between pin 4 of the generic electronic module (GEM) connector C102, circuit 49S-LG19 (RED/BU), harness side and pin 5 of the tail lamp assembly connector C475, circuit 49S-LG19 (RED/BU), harness side.

• Is the resistance less than 2 ohms?

→ Yes

INSTALL a new Generic Electronic Module (GEM). CHECK the system for proper operation.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in the 49S-LG19 (Red/Blue) circuit between the tail lamp assembly and the Generic Electronic Module (GEM). CHECK for proper system operation.

AE1: CHECKING THE TURN SIGNAL SWITCH GROUND CIRCUIT

1Enter the OFF position.

2Disconnect C459 turn signal switch.

3Measure the resistance between pin 5 of the turn signal switch connector C459, circuit 91-LG43 (BK/WH), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Go to AE2

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 91-LG43 (black) between the turn signal switch and splice S12. CHECK for proper system operation.

AE2: CHECKING THE TURN SIGNAL SWITCH

1Install a jumper wire into the turn signal switch connector C459, between pin 1, circuit 91S-LG1 (black/yellow), and pin 2, circuit 91-LG27 (black/green), on the harness side.

2Enter the ON position.

3Measure the voltage between pin 4 of the turn signal switch connector C459, circuit 29S-LG43 (OR/WH), harness side and ground.

• Is the battery voltage registering fluctuating?

→ Yes

CHECK the direction indicator switch according to the section "Checking the components" attached to the electrical wiring diagrams; if necessary, INSTALL a new one. CHECK that the system is working correctly.

→ No

Go to AE3

AE3: CHECK ELECTRICAL CIRCUIT 29S-LG43 (ORANGE/WHITE) FOR OPEN

1Enter the OFF position.

2Disconnect C105 General Electronic Module (GEM).

3Measure the resistance between pin 22 of the generic electronic module (GEM) connector C105, circuit 29S-LG43 (OG/WH), harness side and pin 4 of the turn signal switch connector C459, circuit 29S-LG43 (OG/WH), harness side.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the Generic Electronic Module (GEM), INSTALL a new one if necessary. CHECK the system is operating correctly.

→ No

Using the wiring diagrams, LOCATE and REPAIR the open in circuit 29S-LG43 (orange/white) between the Generic Electronic Module (GEM) and the Turn Signal Switch. CHECK for proper system operation.