C1A03

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS


C1A03 VHCL SPEED SE CIRC

1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if "C1A04: ABS/TCS/VDC CIRC" (DTC 4) or "U1000: CAN COMM CIRCUIT" (DTC 100) other than "C1A03: VHCL SPEED SE CIRC" (DTC 3) is indicated in self-diagnosis item in the display.
Is any indicated?
YES - 1. Repair or replace applicable item. Cruise Control System.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO - GO TO 2.
2.CHECK A/T VEHICLE SPEED SENSOR
With CONSULT-III
With "ICC" "Data Monitor", check if "VHCL SPD AT" operates normally.
OK or NG
OK - 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG - 1. Perform "TRANSMISSION" self-diagnosis. CONSULT-III Function (Transmission) (for 5AT models) or TCM (for 7AT models).
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.