DTC 81-2
DTC 81-2: Left Search Coil Sensor (Open or Short)1. Turn the ignition switch OFF.
2. Disconnect SH-AWD control unit connector A (26P).
3. Check for continuity between SH-AWD control unit connector terminals A4 and A17.
Is there continuity?
YES - Go to step 4.
NO - Go to step 6.
4. Measure resistance between SH-AWD control unit connector terminals A4 and A17.
Is there 2.0 Ohms or more?
YES - Go to step 5.
NO - Go to step 7.
5. Check for continuity between SH-AWD control unit connector terminal A4 and body ground.
Is there continuity?
YES - Repair short in the wire between SH-AWD control unit connector terminal A4 and body ground.
NO - Check for loose connector terminals at the SH-AWD control unit and repair if necessary. If the connections are OK, substitute a known-good SH-AWD control unit and recheck.
6. Connect a jumper wire between SH-AWD control unit connector terminals A4 and A17. Disconnect the left search coil 2P connector, then check for continuity between left search coil 2P connector terminals No. 1 and No. 2.
Is there continuity?
YES - Replace the rear differential side case.
NO - Repair open in the wire between left search coil 2P connector terminals No. 1 and No. 2.
7. Disconnect the left search coil 2P connector, then check for continuity between left search coil 2P connector terminals No. 1 and No. 2.
Is there continuity?
YES - Repair short in the wire between SH-AWD control unit connector A and the left search coil connector.
NO - Replace the rear differential side case.