Warning Systems On Indicator Circuit

WARNING SYSTEMS ON INDICATOR CIRCUIT





Component Function Check
1.CHECK WARNING SYSTEMS ON INDICATOR BY CONSULT-III
CONSULT-III ACTIVE TEST
1. Turn the ignition switch ON.
2. Select "LDW ON IND" of "LANE CAMERA" active test item.
3. With operating the test item, check the operation.

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

Does the warning systems ON indicator illuminate?
YES - Warning systems ON indicator circuit is normal.
NO - SEE Diagnosis Procedure.




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





Is the measurement value normal?
YES - GO TO 2.
NO - Check harness between fuse and warning systems switch.
2.CHECK WARNING SYSTEMS ON INDICATOR SIGNAL FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect the lane camera unit harness connector.
3. Check continuity between the lane camera unit harness connector and warning systems switch harness connector.





Does continuity exist?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK WARNING SYSTEMS ON INDICATOR SIGNAL CIRCUIT FOR SHORT
Check continuity between the lane camera unit harness connector and ground.





Does continuity exist?
YES - Repair the harnesses or connectors.
NO - GO TO 4.
4.CHECK WARNING SYSTEMS ON INDICATOR
1. Connect warning systems switch connector.
2. Turn ignition switch ON.
3. Apply ground to warning systems switch terminal 2.
4. Check condition of the warning systems ON indicator.
Does warning systems ON indicator illuminate?
YES - Replace the lane camera unit.
NO - Replace warning systems switch.