Switch Does Not Turn On / Switch Does Not Turn Off

SWITCH DOES NOT TURN ON / SWITCH DOES NOT TURN OFF





Symptom Table

CAUTION:
Perform the self-diagnosis with CONSULT-III before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.









Description
IBA system does not turn on/off.
- IBA OFF indicator lamp does not illuminate even if the IBA OFF switch is depressed when IBA OFF indicator lamp is not illuminated.
- IBA OFF indicator lamp does not turn off even if the IBA OFF switch is depressed when IBA OFF indicator lamp is illuminated.

NOTE:
- To turn the system OFF-ON, push and hold the IBA OFF switch after starting the engine for more than 1 second.
- The system ON/OFF condition will be memorized even if the ignition switch turns OFF.




Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
1. Perform "All DTC Reading" with CONSULT-III.
2. Check if the DTC is detected in self-diagnosis results for "ICC/ADAS" with CONSULT-III. Testing and Inspection.
Is any DTC detected?
YES - GO TO 6.
NO - GO TO 2.
2.IBA OFF SWITCH INSPECTION
1. Start the engine.
2. Check that "IBA SW" operates normally in "DATA MONITOR" for "ICC/ADAS" with CONSULT-III.
Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 5.
3.CHECK IBA OFF INDICATOR CIRCUIT
1. Start the engine.
2. Select the active test item "METER LAMP" for "ICC/ADAS" with CONSULT-III.
3. Check if the IBA OFF indicator lamp illuminates when the test item is operated.
Is the inspection result normal?
YES - Work Flow.
NO - GO TO 4.
4.CHECK DATA MONITOR OF COMBINATION METER
Check that "BA W/L" operates normally in "DATA MONITOR" for "METER/M&A" with CONSULT-III, when the
IBA OFF switch is pushed and hold for more than 1 second.
Is the inspection result normal?
YES - Replace the combination meter. Removal And Installation.
NO - Replace the ADAS control unit. Service and Repair.
5.CHECK IBA OFF SWITCH
Check IBA OFF switch. C1A40.
Is the inspection result normal?
YES - GO TO 7.
NO - GO TO 6.
6.REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
- GO TO 7.
7.CHECK IBA SYSTEM
Check that IBA OFF indicator lamp turned ON-OFF, when operating IBA OFF switch.
- INSPECTION END