B1A7B

B1A7B-01-IMMOBILIZER ANTENNA (KIN/IGNM)-GENERAL ELECTRICAL FAILURE

For a complete wiring diagram, refer to the Wiring Information.





- When Monitored:
Whenever the ignition is turned on or off.

- Set Conditions:
The KIN/IGNM antenna supply voltage is sampled and found to be out of range of the expected value (below 8.0 or above 16.0 volts).





Diagnostic Test

1. CHECK FOR AN ACTIVE DTC
1. Using the scan tool, record and erase the DTCs.
2. Turn the ignition to the Lock position.
3. Try to start the engine and allow to run for 30 seconds.
4. Turn the ignition off and then back on.
5. Using the scan tool, read the active DTCs.

Does the scan tool display; B1A7B-01-IMMOBILIZER ANTENNA (KIN/IGNM) - GENERAL ELECTRICAL FAILURE?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and poor pin fit.
- Perform the BODY VERIFICATION TEST. Body Verification Test .

2. CHECK THE (A910) FUSED B(+) CIRCUIT
1. Turn the ignition off.
2. Disconnect the Keyless Ignition Node (KIN) or Ignition Node Module (IGNM) harness connector.
3. Measure the voltage between ground and the (A910) Fused B(+) circuit.

Is the voltage between 11.0 and 13.0 volts?

Yes

- Replace the KIN or IGNM. Power Locks - Description.

No

- Repair the open in the (A910) Fused B(+) circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test .