DTC 46

DTC 46 OPERATION SW CIRC


DTC 46 OPERATION SW CIRC

Regarding Wiring Diagram information, Electrical Diagrams.
1.CHECK ECM CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect ECM connector and connect it securely again. Erase DTC, then perform self-diagnosis of ICC system again.
Does the DTC reset?
YES - � Poor connector connection.
- Check connector. Check connector housing for disconnected, loose, bent, and collapsed terminals. If any malfunction is detected, repair as as necessary. Erase DTC and perform ICC system running test. Action Test.
NO - GO TO 2
2.CHECK ICC STEERING SWITCH
Check ICC steering switch.
Does the ICC steering switch check OK?
YES - GO TO 3
NO - Replace ICC steering switch assembly. Service and Repair. Erase DTC and perform ICC system running test. Action Test.
3.CHECK ICC STEERING SWITCH SIGNAL CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect ECM and spiral cable connectors.
3. Check continuity between ECM harness connectors E16 and
F54 terminals 67, 99 and spiral cable harness connector M30 terminals 33, 34.

67 - 33, 99 - 34 Continuity should exist.

Does continuity exist?
YES - GO TO 4
NO - � Repair harness between ECM and spiral cable.
- Erase DTC and perform ICC system running test. Action Test.
4.CHECK ICC STEERING SWITCH SIGNAL CIRCUIT
1. Disconnect remaining spiral cable connector.





2. Check continuity between spiral cable (A) (to vehicle) terminals
33, 34 and spiral cable (B) (to switch) terminals 14,15.

34 - 14, 33 - 15 Continuity should exist.

Does continuity exist?
YES - Replace ECM. Erase DTC and perform ICC system running test. Action Test.
NO - � Replace spiral cable. Service and Repair.
- Erase DTC and perform ICC system running test. Action Test.