Immobilizer-Keyless Control Unit Input Test (Without Keyless Access System)

Immobilizer-keyless Control Unit Input Test

NOTE: Before testing, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A

1. Remove the steering column covers. Service and Repair

2. Disconnect the 7P connector (A) from the immobilizer-keyless control unit (B).

3. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.

- If the terminals look OK, go to step 4.

4. With the connector still disconnected, do these input tests at the following connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, go to step 5.





5. Reconnect the connector to the immobilizer-keyless control unit, and do these input tests at the following connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, replace the immobilizer-keyless control unit. Service and Repair

NOTE: After replacing the immobilizer-keyless control unit, do the immobilizer registration. Programming and Relearning