DTC 41-2

DTC 41-2: F-CAN Malfunction (Lost Communication with VSA)

NOTE: Before you troubleshoot, review the general troubleshooting information.

1. Turn the ignition switch ON (II).
2. Check for PGM-FI DTC's with the HDS.

Are there any PGM-FI DTCs indicated?

YES - Go to the indicated DTC's troubleshooting.

NO - Go to step 3.

3. Clear the DTC with the HDS.
4. Start the engine.
5. Check for DTCs with the HDS.

Is DTC 41-2 indicated?

YES - Go to step 6.

NO - Intermittent failure, the system is OK at this time. Check for intermittent open between SH-AWD control unit connector terminals A10 and A20 and VSA modulator-control unit 46P connector terminals No. 38 and No. 39.

6. Turn the ignition switch OFF.
7. Jump the SCS line with the HDS.

NOTE: This step must be done to prevent PCM damage.

8. Disconnect the VSA modulator-control unit 46P connector.
9. Connect VSA modulator-control unit 46P connector terminals No. 38 and No. 39 to body ground with jumper wires.





10. Disconnect SH-AWD control unit connector A (20P).
11. Check for continuity between SH-AWD control unit connector terminals A10 and A20 to body ground.





Is there continuity?

YES - Update the SH-AWD control unit if it does not have the latest software or substitute a known-good SH-AWD control unit and recheck. If the symptom/indication goes away with the updated SH-AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good SH-AWD control unit, replace the original SH-AWD control unit.

NO - Repair an open in the wires between the SH-AWD control unit and the VSA modulator-control unit.