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Home >> Acura >> 2007 >> RL >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Immobilizer System) >> Symptom Troubleshooting Information >> System Check
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System Check

WARNING: This page is about a different car, the 2008 Acura RL. However, it is still accessible from the selected car via links, so may be relevant.

If a System Check result is indicated on the HDS display, troubleshoot the appropriate items in the table. If there is no Status Check result, go to STATUS LOG .

POSSIBLE CAUSE CHART

Status Check No. Possible cause Check items
A-1 The key is not registered. Register the key.
A-2 Intermittent failure of the key Check with another known-good key. If the symptom still occurs, replace the immobilizer control unit-receiver.
A-3 Ignition switch ON (II) without immobilizer key
B-1 PCM is replaced. Register the PCM.
Communication line error between the immobilizer control unit-receiver and PCM caused by electrical noise Check for an open or short in the IMOCD (S-NET) line, and check for poor and loose connections.
B-2 PCM is not registered correctly. Register the PCM.
Communication line error between the immobilizer control unit-receiver and PCM caused electrical noise Check for an open or a short in the wire (IMOCD (S-NET)), and check for poor and loose connections.
D-1 IMOCD (S-NET) line short Check for a short in the wire (IMOCD (S-NET)).
Communication line error between the immobilizer control unit-receiver and PCM caused by electrical noise
D-2 Blown fuse Replace the fuse.
Open in the wire between the immobilizer control unit-receiver and imoes unit Check for an open or a short in the wire (IMOCD (S-NET)), and check for poor and loose connections.
Communication line error between the immobilizer control unit-receiver and PCM caused by electrical noise
D-3 Blown fuse Replace the fuse.
Open in the wire between the immobilizer control unit-receiver and PCM Check for an open or a short in the wire (IMOCD (S-NET)), and check for poor and loose connections.
Communication line error between the immobilizer control unit-receiver and PCM caused by electrical noise