Symptom 1 Main Switch Does Not Turn On 1, Main Switch Does Not Turn Off 2

TROUBLE DIAGNOSIS FOR SYMPTOMS


Symptom 1 MAIN Switch Does Not Turn ON*1, MAIN Switch Does Not Turn OFF*2


NOTE:
- *1: The MAIN switch indicator lamp in the combination meter does not illuminate.
- *2: The MAIN switch indicator lamp in the combination meter remains powered.
1.CHECK MAIN SWITCH
With CONSULT-III
With "ICC" "Data Monitor", check if "MAIN SW" and "CRUISE LAMP" operate normally.
OK or NG
OK - GO TO 2.
NG - GO TO 4.
2.CHECK UNIFIED METER AND A/C AMP.
With CONSULT-III
With "METER/M&A" "Data Monitor", check if "CRUISE IND" operates normally.
OK or NG
OK - 1. Perform "METER/M&A"self-diagnosis. CONSULT-III Function (Meter/M and A) Trouble Diagnosis, "CONSULT-III Function (METER/ M&A)".
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG - GO TO 3.
3.CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector, and connect it securely again.
3. Check if the malfunction is improved.
Is it improved?
YES - Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed terminals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO - GO TO 4.
4.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-III
1. Perform self-diagnosis.
2. Check if "U1000: CAN COMM CIRCUIT" is indicated.
Is it indicated?
YES - CAN communication inspection. ICC.
NO - ICC steering switch inspection. C1A06.