Testing the signal at the control unit input
1. Disconnect the 5-pin connector from the rear fog light control unit.
2. Check the contacts of the connector and the socket and make sure that they provide reliable contact (figure and table below).
1. REAR FOG LAMP CONTROL UNIT
2. RED-BLUE WIRE
3. BLACK WIRE
4. RED-GREEN WIRE
5. RED-YELLOW WIRE
6. Female connector on the harness side
7. 5-PIN CONNECTOR
If contacts are bent, loose or corroded, repair the defects and retest the system.
- If the contacts appear to be OK, perform the following tests on the connector.
- If any of the tests indicate a problem, find and correct the cause, then retest the system.
Testing the switch
1. Remove the switch panel from the instrument panel.
2. Disconnect the 6-pin connector from the rear fog light switch.
3. Press the switch from behind the panel and remove it.
1. 5-PIN CONNECTOR
2. SWITCH PANEL
3. HEADLIGHT CORRECTION SWITCH
4. Not used
5. Not used
4. Check for conductivity between the contacts in all switch positions in accordance with the table.
1. 6-PIN CONNECTOR
2. SWITCH PANEL
3. LIGHT BULBS (0.91 W)
4. REAR FOG LIGHT SWITCH

