Direction indicators (vehicles up to 08.2001) — Pinpoint tests (Focus 1)

X1: DETERMINE THE STATE IN WHICH THE MALFUNCTION OCCURS.

1Enter the ON position.

2Turn on the RIGHT TURN SIGNAL and LEFT TURN SIGNAL

3Check the correct operation of the turn signal lamps every time

• Direction indicator lights not working?

→ Yes

All turn signal lights do not work: Go to X2

All left turn signal lamps do not work: Go to X9

All Right Turn Signal Lamps Do Not Work: Go to X12

→ No

All left turn signal lamps are on continuously: Go to X15

All right turn signal lamps are on continuously: Go to X17

X2: CHECK THE HAZARD WARNING LAMPS

1Turn on the HAZARD WARNING LIGHTS.

• Are the hazard warning lights functioning properly?

→ Yes

Go to X6

→ No

Go to X3

X3: CHECK FUSE F33

1Enter the OFF position.

2CHECK Fuse F33 (CJB).

3Check fuse F33 (15 A).

• Is fuse F33 OK?

→ Yes

Go to X4

→ No

Install a new fuse F33 (15A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system for proper operation.

X4: CHECK POWER SUPPLY TO FUSE F33

1Connect Fuse F33 (CJB).

2Measure the voltage between fuse F33 (15 A) and ground.

• Is battery voltage registered?

→ Yes

Go to X5

→ No

RESTORE power to fuse F33 using the electrical circuit diagrams. Check that the system is operating correctly. CHECK the CJB, INSTALL a new component if necessary.

X5: CHECK THE POWER SUPPLY TO THE HAZARD LIGHT BUTTON

1Enter the OFF position.

2Disconnect the Hazard Warning Light Switch - C458.

3Enter the ON position.

4Measure the voltage between pin 13 C458 hazard warning switch, circuit 29-LG8 (orange), harness side and ground.

• Is battery voltage registered?

→ Yes

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

→ No

RESTORE power to the hazard warning switch, circuit 29-LG8 (orange) using the electrical circuit diagrams. Check the system for proper operation. If necessary, INSTALL a new CJB.

X6: CHECK FUSE F59

1Enter the OFF position.

2CHECK Fuse F59 (CJB).

3Check fuse F59 (7.5 A).

• Is fuse F59 (7.5 A) OK?

→ Yes

Go to X7

→ No

Install a new fuse F59 (7.5 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system for proper operation.

X7: CHECK POWER SUPPLY TO FUSE F59

1Connect Fuse F59 (CJB).

2Enter the ON position.

3Measure the voltage between fuse F59 (7.5 A) and ground.

• Is battery voltage registered?

→ Yes

Go to X8

→ No

RESTORE power to fuse F59 using the electrical circuit diagrams. Check that the system is operating correctly. CHECK CJB, INSTALL a new component if necessary.

X8: CHECK TURN SIGNAL SWITCH POWER SUPPLY

1Enter the OFF position.

2Disconnect the Turn Signal Switch - C459.

3Enter the ON position.

4Measure the voltage between turn signal switch pin 2 C459, circuit 15-LG27 (GN/BLK), harness side and ground.

• Is battery voltage registered?

→ Yes

CHECK the turn signal switch according to the component test: Refer to Section 417-01 for additional information. If necessary, INSTALL a new component. Check for proper system operation.

→ No

RESTORE power to the turn signal switch, circuit 15-LG27 (GN/BK) using the electrical circuit diagrams. Check for proper system operation.

X9: CHECK TURN SIGNAL SWITCH

1Enter the OFF position.

2Disconnect the Turn Signal Switch - C459.

3Connect the jumper wire to the turn signal switch connector C459 between pin 2, circuit 15-LG27 (GN/BLK), harness side, and pin 1, circuit 15S-LG1 (GN/YE), harness side.

4Enter the ON position.

5Check that the left turn signal lamps are functioning correctly.

• Are the left turn signal lamps functioning properly?

→ Yes

CHECK the light switch according to the component check: Refer to Section 417-01 for additional information. If necessary, INSTALL a new component. Check the system for proper operation.

→ No

Go to X10

X10: CHECK LEFT TURN SIGNAL LAMP CONTROL CIRCUIT

1Enter the OFF position.

2Connect the Turn Signal Switch - C459.

3Disconnect the Hazard Warning Light Switch - C458.

4Enter the ON position.

5Turn on the LEFT TURN SIGNAL.

6Measure the voltage between pin 3 C458 of the hazard warning switch, harness side circuit and ground.

• Is battery voltage registered?

→ Yes

Go to X11

→ No

REPAIR open circuit 15S-LG1 (Green/Yellow) between turn signal switch and hazard warning light switch using the wiring diagrams. Check for proper system operation.

X11: CHECK THE HAZARD FLASH BUTTON

1Connect the jumper wire to the C458 hazard warning switch connector between pin 3, circuit 15S-LG1 (green/yellow), harness side, and pin 12, circuit 49S-LG3 (blue), harness side.

2Enter the ON position.

3Turn on the LEFT TURN SIGNAL.

4Check if the left turn signal lamps are on continuously.

• Do the left turn signal lights remain on continuously?

→ Yes

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

→ No

REPAIR open circuit 49S-LG3 (blue) between hazard warning light button and S3 connection using electrical diagrams. Check system operation is correct.

X12: CHECK TURN SIGNAL SWITCH

1Enter the OFF position.

2Disconnect the Turn Signal Switch - C459.

3Connect the jumper wire to the turn signal switch connector C459 between pin 2, circuit 15-LG27 (GN/BLK), harness side and pin 3, circuit 15S-LG2 (GN/BLK), harness side.

4Enter the ON position.

5Check that the right turn signal lamps are functioning correctly.

• Are the right turn signal lamps functioning properly?

→ Yes

CHECK the light switch according to the component check: Refer to Section 417-01 for additional information. If necessary, INSTALL a new component. Check the system for proper operation.

→ No

Go to X13

X13: CHECK RIGHT TURN SIGNAL LAMP CONTROL CIRCUIT

1Enter the OFF position.

2Connect the Turn Signal Switch - C459.

3Disconnect the Hazard Warning Light Switch - C458.

4Enter the ON position.

5Turn on the RIGHT TURN SIGNAL.

6Measure the voltage between pin 6 C458 of the hazard warning switch, harness side circuit and ground.

• Is battery voltage registered?

→ Yes

Go to X14

→ No

REPAIR open circuit 15S-LG2 (Green/Blue) between turn signal switch and hazard warning light switch using the wiring diagrams. Check for proper system operation.

X14: CHECK THE HAZARD FLASH BUTTON

1Enter the OFF position.

2Connect the jumper wire to the C458 connector of the hazard warning switch between pin 6, circuit 15S-LG2 (green/blue), harness side, and pin 14, circuit 49S-LG4 (blue/red), harness side.

3Enter the ON position.

4Turn on the RIGHT TURN SIGNAL.

5Check if the right turn signal lamps are on continuously.

• Do the right turn signal lamps remain on continuously?

→ Yes

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

→ No

REPAIR open circuit 49S-LG4 (blue/red) between hazard warning light button and S4 connection using electrical diagrams. Check system operation is correct.

X15: CHECK THE HAZARD FLASH BUTTON

1Enter the OFF position.

2Disconnect the Hazard Warning Light Switch - C458.

3Enter the ON position.

4Check if the left turn signal lamps are on continuously.

• Do all left turn signal lamps light continuously?

→ Yes

Go to X16

→ No

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

X16: CHECK INSTRUMENT PANEL

1Enter the OFF position.

2Disconnect the Instrument Cluster - C809.

3Enter the ON position.

4Check if the left turn signal lamps are on continuously.

• Do all left turn signal lamps light continuously?

→ Yes

REPAIR the short circuit to the power supply of the electrical circuits connected to the S3 connection using the electrical diagrams. Check the correct operation of the system.

→ No

CHECK the instrument cluster. If necessary, INSTALL a new element. Check that the system is operating correctly.

X17: CHECK THE HAZARD FLASH BUTTON

1Enter the OFF position.

2Disconnect the Hazard Warning Light Switch - C458.

3Enter the ON position.

4Check if the right turn signal lamps are on continuously.

• Do all right turn signal lamps light continuously?

→ Yes

Go to X18

→ No

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

X18: CHECK INSTRUMENT PANEL

1Enter the OFF position.

2Disconnect the Instrument Cluster - C809.

3Enter the ON position.

4Check if the right turn signal lamps are on continuously.

• Do all right turn signal lamps light continuously?

→ Yes

REPAIR the short circuit to the power supply of the electrical circuits connected to the S4 connection using the electrical diagrams. Check the correct operation of the system.

→ No

CHECK the instrument cluster. If necessary, INSTALL a new element. Check that the system is operating correctly.

Y1: DETERMINE THE STATE IN WHICH THE MALFUNCTION OCCURS.

1Activate the hazard warning light button.

2Make sure that the hazard warning lights are not working.

• Hazard warning lights not working?

→ Yes

Go to Y2

→ No

The hazard warning lights do not work when the anti-theft alarm is activated.

Go to Y3

Hazard warning lights remain on: CHECK the hazard warning light button. If necessary, INSTALL a new element. Check that the system is operating correctly.

Hazard warning lights flash continuously without triggering the anti-theft alarm: CHECK the hazard warning light button. If necessary, INSTALL a new component. Check that the system is operating correctly.

The hazard warning lights flash continuously when the anti-theft alarm is triggered:

Go to Y3

Y2: CHECK EARTHING OF THE HAZARD LIGHT BUTTON

1Enter the OFF position.

2Disconnect the Hazard Warning Light Switch - C458.

3Measure the resistance between pin 10 C458 hazard warning switch, circuit 91-LG8 (Black/Orange), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

→ No

REPAIR open circuit 91-LG8 (Black/Orange) between hazard warning light switch and S12 using the wiring diagrams. Check for proper system operation.

Y3: CHECK CONTROL CIRCUIT FROM ANTI-THEFT ALARM MODULE

1Enter the OFF position.

2Disconnect Anti-Theft Alarm/Central Locking Module - C452.

3Disconnect the Hazard Warning Light Switch - C458.

4Measure the resistance between pin 6 C452 of the anti-theft alarm/central locking module, circuit 31S-LG8 (Black/Orange), harness side and pin 5 C458 of the hazard warning switch, circuit 31S-LG8 (Black/Orange), harness side.

• Is the resistance less than 2 ohms?

→ Yes

Check the hazard warning light button. If necessary, INSTALL a new element. Check that the system operates correctly.

If the fault persists: For additional information, refer to Section 419-01A / 419-01B.

→ No

REPAIR open circuit 31S-LG8 (Black/Orange) between the anti-theft alarm/central locking module and the hazard warning light button using the wiring diagrams. Check for proper system operation.

Z1: IDENTIFY THE INOPERATING TURN SIGNAL LAMP

1Activate the hazard warning light button.

2Identify the faulty lamp.

• Is one of the left turn signal lights not working?

→ Yes

Side Turn Signal Lamp, Left Side, Not Working: Go to Z2

Front Turn Signal Lamp, Left Side, Inoperative: Go to Z4

Rear Turn Signal Lamp, Left Side, Inoperative, 3-/5-Door Models Only: Go to Z6

Rear Turn Signal Lamp, Left Side, Inoperative, 4-Door and Estate Models Only: Go to Z8

Left Turn Signal Indicator Inoperative: Refer to Section 413-01 for additional information.

Front and side turn signal lamp, left side, do not work: Go to Z18

→ No

Side turn signal lamp, right side, does not work: Go to Z10

Front Turn Signal Lamp, Right Side, Inoperative: Go to Z12

Rear Turn Signal Lamp, Right Side, Inoperative, 3-/5-Door Models Only: Go to Z14

Rear Turn Signal Lamp, Right Side, Inoperative, 4-Door and Estate Models Only: Go to Z16

Right Turn Signal Indicator Inoperative: Refer to Section 413-01 for additional information.

Z2: CHECK POWER SUPPLY TO SIDE TURN SIGNAL LAMP, LEFT SIDE

1Disconnect Side Turn Signal Lamp, Left Side - C753.

2Turn on the HAZARD FLASHERS.

3Measure the voltage between pin 2 C753 side turn signal lamp, left side, circuit 49S-LG13 (BL/RED), harness side and ground.

• Is alternating battery voltage registered?

→ Yes

Go to Z3

→ No

REPAIR open in circuit 49S-LG13 (BL/RED) between splice S104 and side turn signal lamp, left side using the wiring diagrams. Check for proper system operation.

Z3: CHECK GROUND OF SIDE TURN SIGNAL LAMP. LEFT SIDE

1Measure the resistance between pin 1 C753 side turn signal lamp, left side, circuit 31-LG13 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the side turn signal lamp, left side. If necessary, INSTALL a new element. CHECK the correct operation of the system.

→ No

REPAIR open circuit 31-LG13 (Black) between side turn signal lamp, left side and splice S121, using the wiring diagrams. Check for proper system operation.

Z4: CHECK POWER SUPPLY OF FRONT TURN SIGNAL LAMP, LEFT SIDE

1Disconnect Turn Signal Lamp, Left Side, Front - C713.

2Turn on the HAZARD FLASHERS.

3Measure the voltage between pin 2 C713 front turn signal lamp, left side, circuit 49S-LG11 (BL/OG), harness side and ground.

• Is alternating battery voltage registered?

→ Yes

Go to Z5

→ No

REPAIR open circuit 49S-LG11 (blue/orange) between splice S104 and front turn signal lamp, left side using the wiring diagrams. Check for proper system operation.

Z5: CHECK GROUND OF FRONT TURN SIGNAL LAMP, LEFT SIDE

1Measure the resistance between pin 1 C713 front turn signal lamp, left side, circuit 31-LG11 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the turn signal bulb, left side. If necessary, INSTALL a new element. Check the correct operation of the system.

→ No

REPAIR open in circuit 31-LG11 (Black) between front turn signal lamp, left side and splice S121, using the wiring diagrams. Check for proper system operation.

Z6: CHECK POWER SUPPLY OF REAR TURN SIGNAL LAMP, LEFT SIDE

1Enter the OFF position.

2Disconnect Turn Signal Lamp, Left Side, Rear - C461.

3Enter the ON position.

4Turn on the HAZARD FLASHERS.

5Measure the voltage between pin 1 C461 rear turn signal lamp, left side, circuit 49S-LG12 (blue), harness side and ground.

• Is alternating battery voltage registered?

→ Yes

Go to Z7

→ No

REPAIR open circuit(s) between connection S3 and rear turn signal lamp, left side using the wiring diagrams. Check that the system operates correctly.

Z7: CHECK GROUND OF REAR TURN SIGNAL LAMP, LEFT SIDE

1Measure the resistance between pin 2 C461 rear turn signal lamp, left side, circuit 31-LG12 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the rear turn signal lamp, left side. If necessary, INSTALL a new element. Check the correct operation of the system.

→ No

REPAIR open(s) in circuit between rear turn signal lamp, left side and S184 connection using the wiring diagrams. Check the system for proper operation.

Z8: CHECK REAR LIGHT UNIT POWER SUPPLY, LEFT SIDE

1Disconnect Light Assembly, Left Side, Rear - C476 (4-Door Only) / C474 (Wagon Only).

2Turn on the HAZARD FLASHERS.

3Measure the voltage between the rear light assembly, left side:

- 4-door version only: pin 3 C476, electrical circuit 49S-LG12 (blue), from the wiring side and "ground".

- only "Universal": pin 5 C474, electrical circuit 49S-LG12 (blue), from the wiring side and "ground".

• Is alternating battery voltage registered?

→ Yes

Go to Z9

→ No

REPAIR open circuit(s) between connection S3 and rear light assembly, left side using the electrical circuit diagrams. Check that the system operates correctly.

Z9: CHECK GROUNDING OF REAR LAMP UNIT, LEFT SIDE

1Measure the resistance between the rear light assembly, left side:

- 4-door version only: pin 6 C476, electrical circuit 31-LF23 (black), from the wiring side and "ground".

- only "Universal": pin 6 C474, electrical circuit 31-LF23A (black), from the wiring side and "ground".

• Is the resistance less than 2 ohms?

→ Yes

CHECK the rear turn signal lamp, left side. If necessary, INSTALL a new element. Check the correct operation of the system.

→ No

REPAIR open(s) in circuit between rear turn signal lamp, left side, and ground using the wiring diagrams. Check for proper system operation.

Z10: CHECK POWER SUPPLY TO FRONT SIDE TURN SIGNAL LAMP, RIGHT SIDE

1Disconnect Side Turn Signal Lamp, Right Side - C754.

2Turn on the HAZARD FLASHERS.

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

• Is alternating battery voltage registered?

→ Yes

Go to Z11

→ No

REPAIR open circuit(s) between connection S4 and front side turn signal lamp, right side using the wiring diagrams. Check that the system operates correctly.

Z11: CHECK GROUND OF SIDE TURN SIGNAL LAMP, RIGHT SIDE

1Measure the resistance between pin 1 C754 side turn signal lamp, right side, circuit 31-LG20 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the side turn signal lamp, right side. If necessary, INSTALL a new element. CHECK the correct operation of the system.

→ No

REPAIR open circuit 31-LG20 (Black) between front side turn signal lamp, right side and splice S52, using the wiring diagrams. CHECK the system for proper operation.

Z12: CHECK POWER SUPPLY OF FRONT TURN SIGNAL LAMP, RIGHT SIDE

1Disconnect Front Turn Signal Lamp Right Side - C714.

2Turn on the HAZARD FLASHERS.

3Measure the voltage between pin 2 C714 front turn signal lamp, right side, circuit 49S-LG18 (blue), harness side and ground.

• Is alternating battery voltage registered?

→ Yes

Go to Z13

→ No

REPAIR open circuit 49S-LG18 (blue) between S4 connection and front turn signal lamp, right side using the wiring diagrams. CHECK the system for proper operation.

Z13: CHECK GROUND OF FRONT TURN SIGNAL LAMP, RIGHT SIDE

1Measure the resistance between pin 1 C714 front turn signal lamp, right side, circuit 31-LG18 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the turn signal bulb, right side. If necessary, INSTALL a new element. CHECK the system for proper operation.

→ No

REPAIR open circuit 31-LG18 (Black) between front turn signal lamp, right side and splice S109, using the wiring diagrams. CHECK the system for proper operation.

Z14: CHECK POWER SUPPLY OF REAR TURN SIGNAL LAMP, RIGHT SIDE

1Disconnect Rear Turn Signal Lamp, Right Side - C462.

2Turn on the HAZARD FLASHERS.

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

• Is alternating battery voltage registered?

→ Yes

Go to Z15

→ No

REPAIR open circuit 49S-LG19 (blue/red) between S4 connection and rear turn signal lamp, right side using the wiring diagrams. CHECK the system for proper operation.

Z15: CHECK GROUND OF REAR TURN SIGNAL LAMP, RIGHT SIDE

1Measure the resistance between pin 2 C462 rear turn signal lamp, right side, circuit 31-LG19 (Black), harness side and ground.

• Is the resistance less than 2 ohms?

→ Yes

CHECK the rear turn signal lamp, right side. If necessary, INSTALL a new element. CHECK the system for proper operation.

→ No

REPAIR open(s) in circuit between rear turn signal lamp, right side, and ground using the wiring diagrams. CHECK for proper system operation.

Z16: CHECK POWER SUPPLY TO REAR LIGHT UNIT, RIGHT SIDE

1Disconnect the Light Assembly, Right Side, Rear - C477 (4-Door Only) / C477 (Estate Only).

2Turn on the HAZARD FLASHERS.

3Measure the voltage between the rear light assembly, right side:

- 4-door version only: pin 1 C477, electrical circuit 49S-LG19 (blue/red), from the wiring side and "ground".

- only "Universal": pin 5 C475, electrical circuit 49S-LG19 (blue/red), from the wiring side and "ground".

• Is alternating battery voltage registered?

→ Yes

Go to Z17

→ No

REPAIR open circuit 49S-LG19 (blue/red) between S4 connection and rear lamp assembly, right side using the wiring diagrams. CHECK correct system operation

Z17: CHECK GROUNDING OF REAR LAMP UNIT, RIGHT SIDE

1Measure the resistance between the rear light assembly, right side:

- 4-door version only: pin 4 C477, electrical circuit 31-LF24 (black), from the wiring side and "ground".

- only "Universal": pin 6 C475, electrical circuit 31-LF24A (black), from the wiring side and "ground".

• Is the resistance less than 2 ohms?

→ Yes

CHECK the rear turn signal lamp, right side. If necessary, INSTALL a new element. CHECK the system for proper operation.

→ No

REPAIR open in circuit 31-LF24(A) (Black) between rear turn signal lamp, right side and ground, using the wiring diagrams. CHECK the system for proper operation.

Z18: CHECK POWER SUPPLY TO LEFT TURN SIGNAL LAMP, FRONT

1Disconnect Left Turn Signal Lamp, Front - C713.

2Use the LEFT TURN SIGNAL.

3Measure the voltage between pin 2 C713 front left turn signal lamp, circuit 49S-LG11 (blue/orange), harness side and ground.

• Is alternating voltage registered?

→ Yes

REPAIR open circuit 31-LG11 (black) between S121 and ground using the electrical circuit diagrams. CHECK for proper system operation.

→ No

REPAIR power to circuit 49S-LG11 (Blue/Orange) between front left turn signal lamp and junction S104 using the wiring diagrams. CHECK the system for proper operation.

AA1: CHECK TURN SIGNAL SWITCH GROUND

1Enter the OFF position.

2Disconnect the Turn Signal Switch - C459.

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

• Is the resistance less than 2 ohms?

→ Yes

Go to AA2

→ No

REPAIR open circuit 91-LG43 (BK/WH) between turn signal switch and S12 connection using the wiring diagrams. INSTALL a new turn signal switch if necessary. CHECK the system for proper operation.

AA2: CHECK TURN SIGNAL SWITCH

1Turn on the HAZARD FLASHERS.

2Measure the voltage between turn signal switch pin 4 C459, circuit 29S-LG43 (Orange/White), harness side and ground.

• Is alternating battery voltage registered?

→ Yes

CHECK the turn signal switch according to the component test: Refer to Section 417-01 for additional information. If necessary, INSTALL a new component. CHECK the system for proper operation.

→ No

Go to AA3

AA3: CHECK HORN CONTROL CIRCUIT FROM HAZARD LIGHT BUTTON

1Disconnect the Hazard Warning Light Switch - C458.

2Measure the resistance between pin 4 C459 of the turn signal switch, circuit 29S-LG43 (orange/white), harness side and pin 8 C458 of the hazard warning switch, circuit 29S-LG43 (orange/white), harness side.

• Is the resistance less than 2 ohms?

→ Yes

Check the hazard warning light button. If necessary, INSTALL a new element. CHECK the system for proper operation.

→ No

REPAIR open circuit 29S-LG43 (orange/white) between turn signal switch and hazard warning light switch using the wiring diagrams. CHECK the system for proper operation.