P1691

DTC P1691 ANTENNA COIL ERROR

DTC Detecting Condition:

DTC DETECTING CONDITION

INSPECTION PROCEDURE

1. PROBLEM VERIFICATION
1. Connect the hi-scan (pro) to data link connector.
2. Turn the ignition switch to ON and verify the DTC "P1691"is displayed.
3. Erase the DTC "P1691" with the hi-scan (pro) and then monitor again.

Is the same code displayed ?

NO - Problem is intermittent and ICM memory was not cleared.

YES - Check for continuity between antenna coil and ICM.

2. CHECK FOR CONTINUITY BETWEEN ANTENNA COIL AND ICM
1. Check for continuity between ICM harness connector (M23-2) terminal 1 and antenna coil harness connector(M11) terminal 2.
2. Check for continuity between ICM harness connector (M23-2) terminal 3 and antenna coil harness connector(M11) terminal 1.

Is there continuity ?

NO - Repair an open in the wire between the antenna coil and the ICM.

YES - If all the tests are OK, replace the antenna coil assembly and recheck.