DTC Troubleshooting: B1075 (Relay Control Module): Inspection
H/L_ON_SW Circuit Inspection
Test Procedure
- Preparation
- Combination light switch connector (12P): disconnected
- Relay control module connector C (18P): disconnected
- Body control module connector A (66P): disconnected
- Left headlight connector (8P): disconnected
- Right headlight connector (8P): disconnected
- Automatic lighting/rain sensor connector (5P) (with automatic wiper): disconnected
- Automatic lighting control unit-sensor connector (5P) (without automatic wiper): disconnected
- Procedure
- Perform the inspection according to the following table.
| (Disconnected) Combination light switch connector (12P) female terminals | (Disconnected) Relay control module connector C (18P) female terminals | ||||
| IG Mode |
|
|
Normal Conditions | ||
| H/L_ON_SW open wire inspection | OFF | There is less than 1 Ohms | |||
| H/L_ON_SW shorted to ground inspection | OFF | There is more than 1 MOhms | |||
Results
- If abnormal, there is a problem in the circuit.
- If it is normal, there is a problem with the relay control module.