Direction indicators (vehicles before 08.2001) — Pinpoint tests

X1: IDENTIFY THE STATE IN WHICH THE FAULT IS APPEARING.

1 Drive the ON position.

2 Turn on RIGHT TURN SIGNAL and LEFT TURN SIGNAL

3 Check each time that the direction indicator lamps are working correctly

• Are the turn signal lamps not working?

→ Yes

All turn signal lamps not working: Go to X2

All left turn signal bulbs not working: Go to X9

All right turn signal bulbs not working: Go to X12

→ No

All left turn signal lamps on steady: Go to X15

All right turn signal lamps on steady: Go to X17

X2: CHECK HAZARD LIGHTS

1 Turn on the hazard lights.

• Are the hazard warning lights working properly?

→ Yes

Go to X6

→ No

Go to X3

X3: CHECK FUSE F33

1 Enter the OFF position.

2CHECK Fuse F33 (CJB).

3 Check fuse F33 (15 A).

• Is fuse F33 OK?

→ Yes

Go to X4

→ No

Install new fuse F33 (15 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

X4: CHECK POWER SUPPLY OF F33 FUSE

1 Connect Fuse F33 (CJB).

2 Measure voltage between fuse F33 (15 A) And "weight".

• Does the battery voltage register?

→ Yes

Go to X5

→ No

RESTORE power to fuse F33 using the wiring diagrams. Check the correct operation of the system. CHECK the CJB, if necessary INSTALL the new element.

X5: CHECK POWER SUPPLY OF HAZARD LIGHT BUTTON

1 Enter the OFF position.

2 Disconnect the Hazard Light Button - C458.

3 Drive the ON position.

4 Measure the voltage between pin 13 C458 of the hazard warning light button, circuit 29-LG8 (orange), from the wiring side and "weight".

• Does the battery voltage register?

→ Yes

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

→ No

RESTORE power to the hazard warning light button, circuit 29-LG8 (orange), using electrical diagrams. Check the correct operation of the system. If necessary, INSTALL a new CJB.

X6: CHECK FUSE F59

1 Enter the OFF position.

2 CHECK Fuse F59 (CJB).

3 Check fuse F59 (7.5 A).

• Fuse F59 (7.5 A) serviceable?

→ Yes

Go to X7

→ No

Install new fuse F59 (7.5 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

X7: CHECK POWER SUPPLY OF F59 FUSE

1 Connect Fuse F59 (CJB).

2 Drive the ON position.

3 Measure voltage between fuse F59 (7.5 A) And "weight".

• Does the battery voltage register?

→ Yes

Go to X8

→ No

RESTORE power to fuse F59 using the wiring diagrams. Check the correct operation of the system. CHECK the CJB, if necessary INSTALL the new element.

X8: CHECK THE POWER SUPPLY OF THE TURN SIGNAL SWITCH

1 Enter the OFF position.

2 Disconnect Turn Signal Switch - C459.

3 Drive the ON position.

4 Measure the voltage between pin 2 C459 turn signal switch circuit 15-LG27 (green/black), from the wiring side and "weight".

• Does the battery voltage register?

→ Yes

INSPECT the turn signal switch according to item check: Refer to Section 417-01 for more information. If necessary, INSTALL the new element. Check the correct operation of the system.

→ No

RESTORE power to turn signal switch circuit 15-LG27 (green/black), using electrical diagrams. Check the correct operation of the system.

X9: CHECK TURN SIGNAL SWITCH

1 Enter the OFF position.

2 Disconnect Turn Signal Switch - C459.

3 Connect the jumper wire to connector C459 of the turn signal switch between pin 2, circuit 15-LG27 (green/black), from the wiring side, and pin 1, electrical circuit 15S-LG1 (green/yellow), from the side of the electrical wiring.

4 Drive the ON position.

5 Check that the left turn signal bulbs are working properly.

• Are the left turn signal lamps working properly?

→ Yes

INSPECT light switch according to element check: Refer to Section 417-01 for more information. If necessary, INSTALL the new element. Check the correct operation of the system.

→ No

Go to X10

X10: INSPECT LEFT TURN SIGNAL LAMP CONTROL CIRCUIT

1 Enter the OFF position.

2 Connect Turn Signal Switch - C459.

3 Disconnect the Hazard Light Button - C458.

4 Drive the ON position.

5 Turn on the LEFT TURN SIGNAL.

6 Measure the voltage between C458 pin 3 of the hazard warning light button, wiring side circuit and "weight".

• Does the battery voltage register?

→ Yes

Go to X11

→ No

REPAIR open circuit 15S-LG1 (green/yellow) between the turn signal switch and the hazard warning light button, using the wiring diagrams. Check the correct operation of the system.

X11: CHECK HAZARD LIGHT BUTTON

1 Connect the jumper wire to connector C458 of the hazard warning light button between pin 3, circuit 15S-LG1 (green/yellow), from the wiring side, and pin 12, electrical circuit 49S-LG3 (blue), from the side of the electrical wiring.

2 Drive the ON position.

3 Turn on the LEFT TURN SIGNAL.

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

• Are the left turn signal lamps on continuously?

→ Yes

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

→ No

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

X12: CHECK TURN SIGNAL SWITCH

1 Enter the OFF position.

2 Disconnect Turn Signal Switch - C459.

3 Connect the jumper wire to connector C459 of the turn signal switch between pin 2, circuit 15-LG27 (green/black), from the wiring side, and pin 3, electrical circuit 15S-LG2 (green/blue), from the side of the electrical wiring.

4 Drive the ON position.

5 Check that the right turn signal bulbs are working properly.

• Are the right turn signal lamps working properly?

→ Yes

INSPECT light switch according to element check: Refer to Section 417-01 for more information. If necessary, INSTALL the new element. Check the correct operation of the system.

→ No

Go to X13

X13: INSPECT RIGHT TURN SIGNAL LAMP CONTROL CIRCUIT

1 Enter the OFF position.

2 Connect Turn Signal Switch - C459.

3 Disconnect the Hazard Light Button - C458.

4 Drive the ON position.

5 Turn on the RIGHT TURN SIGNAL.

6 Measure the voltage between C458 pin 6 of the hazard warning light button, wiring side circuit and "weight".

• Does the battery voltage register?

→ Yes

Go to X14

→ No

REPAIR open circuit 15S-LG2 (green/blue) between the turn signal switch and the hazard warning light button, using the wiring diagrams. Check the correct operation of the system.

X14: CHECK HAZARD LIGHT BUTTON

1 Enter the OFF position.

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

3 Drive the ON position.

4 Turn on the RIGHT TURN SIGNAL.

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

• Are the right turn signal lamps on continuously?

→ Yes

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

→ No

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

X15: CHECK HAZARD LIGHT BUTTON

1 Enter the OFF position.

2 Disconnect the Hazard Light Button - C458.

3 Drive the ON position.

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

• Are all left turn signal lamps on continuously?

→ Yes

Go to X16

→ No

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

X16: CHECK INSTRUMENT PANEL

1 Enter the OFF position.

2 Disconnect Instrument panel - C809.

3 Drive the ON position.

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

• Are all left turn signal lamps on continuously?

→ Yes

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

→ No

CHECK instrument panel. If necessary, INSTALL the new element. Check the correct operation of the system.

X17: CHECK HAZARD LIGHT BUTTON

1 Enter the OFF position.

2 Disconnect the Hazard Light Button - C458.

3 Drive the ON position.

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

• Are all right turn signal lamps on continuously?

→ Yes

Go to X18

→ No

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

X18: CHECK INSTRUMENT PANEL

1 Enter the OFF position.

2 Disconnect Instrument panel - C809.

3 Drive the ON position.

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

• Are all right turn signal lamps on continuously?

→ Yes

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

→ No

CHECK instrument panel. If necessary, INSTALL the new element. Check the correct operation of the system.

Y1: IDENTIFY THE STATE IN WHICH THE FAULT IS APPEARING.

1 Operate the hazard warning light button.

2 Check that the hazard warning lights are not working.

• Are the 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

The hazard warning lights are permanently on: CHECK the hazard warning light button. If necessary, INSTALL the new element. Check the correct operation of the system.

The hazard warning lights flash continuously without triggering the anti-theft alarm: CHECK the hazard warning light button. If necessary, INSTALL the new element. Check the correct operation of the system.

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

Go to Y3

Y2: CHECK GROUND OF HAZARD LIGHT BUTTON

1 Enter the OFF position.

2 Disconnect the Hazard Light Button - C458.

3 Measure the resistance between pin 10 C458 of the hazard warning light button, circuit 91-LG8 (black/orange), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

→ No

REPAIR open circuit 91-LG8 (black/orange) between the hazard warning light button and the S12 connection using the wiring diagrams. Check the correct operation of the system.

Y3: CHECK CONTROL CIRCUIT FROM THE ANTI-THEFT ALARM MODULE

1 Enter the OFF position.

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

3 Disconnect the Hazard Light Button - C458.

4 Measure the resistance between pin 6 C452 of the anti-theft/central locking module, circuit 31S-LG8 (black/orange), on the wiring side, and pin 5 C458 of the hazard warning light button, electrical circuit 31S-LG8 (black/orange), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

→ Yes

Check the hazard warning light button If necessary, INSTALL a new item. Check the correct operation of the system.

If the problem persists: Refer to Section 419-01A / 419-01B for more information.

→ No

REPAIR open circuit 31S-LG8 (black/orange) between the anti-theft/central locking module and the hazard warning light button, using the wiring diagrams. Check the correct operation of the system.

Z1: IDENTIFY WHEN TURN SIGNAL LAMP IS NOT WORKING

1 Operate the hazard warning light button.

2 Identify a broken lamp.

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

→ Yes

Side turn signal lamp, left side, not working: Go to Z2

Front turn signal lamp, left side, not working: 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 models and models only "station wagon": Move to Z8

Left Turn Signal Warning Lamp Not Working: Refer to Section 413-01 for more information.

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

→ No

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

Front turn signal lamp, right side, not working: 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 models and models only "station wagon": Move to Z16

Right Turn Signal Warning Lamp Not Working: Refer to Section 413-01 for more information.

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

1 Disconnect Side turn signal lamp, left side - C753.

2 Activate the ALARM LIGHTS.

3 Measure the voltage between pin 2 C753 side turn signal lamp, left side, circuit 49S-LG13 (blue/red), from the wiring side and "weight".

• Is battery variable voltage being registered?

→ Yes

Go to Z3

→ No

REPAIR open circuit 49S-LG13 (blue/red) between connection S104 and side turn signal lamp, left side, using the wiring diagrams. Check the correct operation of the system.

Z3: CHECK SIDE TURN SIGNAL LAMP GROUND. LEFT SIDE

1 Measure the resistance between pin 1 C753 side turn signal lamp, left side, circuit 31-LG13 (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

CHECK side turn signal lamp, left side. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR open circuit 31-LG13 (black) between side turn signal lamp, left side, and connection S121, using the wiring diagrams. Check the correct operation of the system.

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

1 Disconnect Turn signal lamp, left side, front - C713.

2 Activate the ALARM LIGHTS.

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

• Is battery variable voltage being registered?

→ Yes

Go to Z5

→ No

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

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

1 Measure the resistance between pin 1 C713 front turn signal lamp, left side, circuit 31-LG11 (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

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

→ No

REPAIR open circuit 31-LG11 (black) between front turn signal lamp, left side, and connection S121, using the wiring diagrams. Check the correct operation of the system.

Z6: CHECK REAR TURN SIGNAL LAMP POWER LEFT

1 Enter the OFF position.

2 Disconnect Turn signal lamp, left side, rear - C461.

3 Drive the ON position.

4 Activate the ALARM LIGHTS.

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

• Is battery variable voltage being registered?

→ Yes

Go to Z7

→ No

REPAIR the gap (s) connections between connection S3 and rear turn signal lamp, left side, using the wiring diagrams. Check the correct operation of the system.

Z7: CHECK REAR TURN SIGNAL LAMP GROUND, LEFT

1 Measure the resistance between C461 rear turn signal lamp pin 2, left side, circuit 31-LG12 (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

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

→ No

REPAIR the gap (s) connections between rear turn signal lamp, left side, and connection S184, using the wiring diagrams. Check the correct operation of the system.

Z8: CHECK REAR LIGHT UNIT POWER, LEFT

1 Disconnect Light unit, left side, rear - C476 (only 4-door variant) / C474 (only "station wagon").

2 Activate the ALARM LIGHTS.

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

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

- only "station wagon": pin 5 C474, electric circuit 49S-LG12 (blue), from the wiring side and "weight".

• Is battery variable voltage being registered?

→ Yes

Go to Z9

→ No

REPAIR the gap (s) connections between connection S3 and rear light unit, left side, using the wiring diagrams. Check the correct operation of the system.

Z9: CHECK REAR LIGHT UNIT GROUND, LEFT

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

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

- only "station wagon": pin 6 C474, electric circuit 31-LF23A (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

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

→ No

REPAIR the gap (s) circuits between rear turn signal lamp, left side, and "weight", using electrical diagrams. Check the correct operation of the system.

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

1 Disconnect Side turn signal lamp, right side - C754.

2 Activate the ALARM LIGHTS.

3 Measure the voltage between pin 2 C754 front side turn signal lamp, right side, circuit 49S-LG20 (blue/white), from the wiring side and "weight".

• Is battery variable voltage being registered?

→ Yes

Go to Z11

→ No

REPAIR the gap (s) connections between connection S4 and front side turn signal lamp, right side, using the wiring diagrams. Check the correct operation of the system.

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

1 Measure the resistance between pin 1 C754 side turn signal lamp, right side, circuit 31-LG20 (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

CHECK side turn signal lamp, right side. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR open circuit 31-LG20 (black) between front side turn signal lamp, right side, and connection S52, using the wiring diagrams. CHECK the system is working properly.

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

1 Disconnect Front turn signal lamp, right side - C714.

2 Activate the ALARM LIGHTS.

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

• Is battery variable voltage being registered?

→ Yes

Go to Z13

→ No

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

Z13: CHECK GROUND OF FRONT TURN SIGNAL LAMP RIGHT SIDE

1 Measure the resistance between pin 1 C714 front turn signal lamp, right side, circuit 31-LG18 (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

CHECK turn signal lamp, right side. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR open circuit 31-LG18 (black) between front turn signal lamp, right side, and connection S109, using the wiring diagrams. CHECK the system is working properly.

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

1 Disconnect Rear turn signal lamp, right side - C462.

2 Activate the ALARM LIGHTS.

3 Measure the voltage between pin 1 C462 rear turn signal lamp, right side, circuit 49S-LG19 (blue/red), from the wiring side and "weight".

• Is battery variable voltage being registered?

→ Yes

Go to Z15

→ No

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

Z15: CHECK REAR TURN SIGNAL LAMP GROUND, RIGHT SIDE

1 Measure the resistance between C462, rear turn signal lamp pin 2, right side, circuit 31-LG19 (black), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

CHECK rear turn signal lamp, right side. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR the gap (s) circuits between rear turn signal lamp, right side, and "weight", using electrical diagrams. CHECK the system is working properly.

Z16: CHECK THE POWER SUPPLY OF THE REAR LIGHT UNIT, RIGHT SIDE

1 Disconnect Light unit, right side, rear - C477 (only 4-door variant) / C477 (only "station wagon").

2 Activate the ALARM LIGHTS.

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

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

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

• Is battery variable voltage being registered?

→ Yes

Go to Z17

→ No

REPAIR open circuit 49S-LG19 (blue/red) between connection S4 and rear light unit, right side, using the wiring diagrams. CHECK the system is working properly

Z17: CHECK REAR LIGHT UNIT GROUND

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

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

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

• Is the resistance less than 2 ohms?

→ Yes

CHECK rear turn signal lamp, right side. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR open circuit 31-LF24 (A) (black) between rear turn signal lamp, right side, and "weight", using electrical diagrams. CHECK the system is working properly.

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

1 Disconnect Left turn signal bulb, front - C713.

2 Engage the LEFT TURN SIGNAL.

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

• AC voltage registered?

→ Yes

REPAIR open circuit 31-LG11 (black) between connection S121 and "weight", using electrical diagrams. CHECK the system is working properly.

→ No

RESTORE power to circuit 49S-LG11 (blue/orange) between the front left turn signal lamp and connection S104, using the wiring diagrams. CHECK the system is working properly.

AA1: CHECK TURN SIGNAL SWITCH GROUND

1 Enter the OFF position.

2 Disconnect Turn Signal Switch - C459.

3 Measure the resistance between pin 5 C459 turn signal switch, circuit 91-LG43 (black/white), from the wiring side and "weight".

• Is the resistance less than 2 ohms?

→ Yes

Go to AA2

→ No

REPAIR open circuit 91-LG43 (black/white) between the turn signal switch and connection S12 using the wiring diagrams. If necessary, INSTALL a new turn signal switch. CHECK the system is working properly.

AA2: CHECK TURN SIGNAL SWITCH

1 Activate the ALARM LIGHTS.

2 Measure the voltage between pin 4 C459 turn signal switch circuit 29S-LG43 (orange/white), from the wiring side and "weight".

• Is battery variable voltage being registered?

→ Yes

INSPECT the turn signal switch according to item check: Refer to Section 417-01 for more information. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

Go to AA3

AA3: INSPECT HORN CONTROL CIRCUIT FROM HAZARD LIGHT BUTTON

1 Disconnect the Hazard Light Button - C458.

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

• Is the resistance less than 2 ohms?

→ Yes

Check the hazard warning light button If necessary, INSTALL a new item. CHECK the system is working properly.

→ No

REPAIR open circuit 29S-LG43 (orange/white) between the turn signal switch and the hazard warning light button, using the wiring diagrams. CHECK the system is working properly.