BSW

WARNING SYSTEMS ON INDICATOR CIRCUIT





Component Function Check
1.CHECK WARNING SYSTEMS ON INDICATOR
1. Turn the ignition switch ON.
2. Select the active test item "WARNING SYSTEM IND" of "ICC/ADAS" with CONSULT-III.
3. With operating the test item, check the operation.

On : Warning systems ON indicator illuminates
Off : Warning systems ON indicator is turned OFF

Is the inspection result normal?
YES - INSPECTION END
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK WARNING ON INDICATOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect twin switch connector.
3. Turn ignition switch ON.
4. Check voltage between twin switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair the warning systems ON indicator power supply circuit.
2.CHECK WARNING SYSTEMS ON INDICATOR SIGNAL FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect the ADAS control unit harness connector.
3. Check continuity between the ADAS control unit harness connector and twin switch harness connector.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK WARNING SYSTEMS ON INDICATOR SIGNAL CIRCUIT FOR SHORT
Check continuity between the ADAS control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair the harnesses or connectors.
4.CHECK WARNING SYSTEMS ON INDICATOR
Check the warning systems ON indicator. SEE Component Inspection.
Is the inspection result normal?
YES - Replace the ADAS control unit. ADAS Control Unit.
NO - Replace warning systems switch. LDW & LDP.




Component Inspection
1.CHECK WARNING SYSTEMS ON INDICATOR
Apply battery voltage to warning systems switch terminals 8 and 9, and then check if the warning systems ON indicator illuminates.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace the warning systems switch. LDW & LDP.