ICC System Can Not Be Set (Main Switch Turns On/Off)
ICC SYSTEM CANNOT BE SET (MAIN SWITCH TURNS ON/OFF)
Diagnosis Procedure
The ICC cannot be set in the following cases.
- When the vehicle speed is not in range of approx. 40 km/h (25 MPH) to 144 km/h (89 MPH).
- When the selector lever is in "N".
- While the brake is in operation.
- When the windshield wipers are operating.
1.CHECK CAUSE OF AUTOMATIC CANCELLATION
1. With "CAUSE OF AUTO-CANCEL" in "WORK SUPPORT", check if any cause of cancellation exists.
Is there a cause of cancellation stored?
YES - � Cancel with appropriate cause.
- For causes A, B, or C, go to specified diagnosis.
A: "OPE SW VOLT CIRC" : DTC 46.
B: "VHCL SPD UNMATCH" : DTC 41.
C: "IGN LOW VOLT" : DTC 31.
NO - GO TO 2
2.PERFORM SELF-DIAGNOSIS
1. Perform -self-diagnosis to check for malfunctioning items.
Does the ICC have any DTC's stored?
YES - Repair or replace as necessary, erase DTC. Perform ICC system running test. Action Test.
NO - GO TO 3
3.CHECK SWITCHES AND VEHICLE SPEED SIGNAL
1. With "DATA MONITOR", check that the following switches and vehicle speed signal operate normally.
A: VHCL SPEED SE B: NP RANGE SW
C: BRAKE SW D: SET/COAST SW
Do the monitor items display properly?
YES - Replace ICC unit and erase DTC. ICC C/U. Perform ICC system running test. Action Test.
NO - � A: DTC 41.
- B: ICC System Does Not Cancel When A/T Selector Lever Sets on "N".
- C: DTC 45.
- D: DTC 46.