DTC 52-3
DTC 52-3: Left Clutch Electromagnetic Coil Current Malfunction1. Clear the DTC with the HDS.
2. Do the clutch function test with the HDS.
3. Check for DTCs with the HDS.
Is DTC 52-3 indicated?
YES - Go to step 4.
NO - Intermittent failure, the system is OK at this time.
4. Turn the ignition switch OFF.
5. Disconnect SH-AWD control unit connector B (8P).
6. Check for continuity between SH-AWD control unit connector terminals B2 and B4.
Is there continuity?
YES - Go to step 7.
NO - Go to step 9.
7. Disconnect the left clutch electromagnetic coil connector, then check for continuity between SH-AWD control unit connector terminals B2 and B4.
Is there continuity?
YES - Repair short to ground in the wire between the SH-AWD control unit and the left clutch electromagnetic coil.
NO - Go to step 8.
8. Check for continuity between SH-AWD control unit connector terminals B2 and B5.
Is there continuity?
YES - Repair short to ground in the wire between the SH-AWD control unit and the left clutch electromagnetic coil.
NO - Replace the rear differential side case.
9. Check for continuity between SH-AWD control unit connector terminals B4 and B5.
Is there continuity?
YES - 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.
NO - Go to step 10.
10. Connect a jumper wire between SH-AWD control unit connector terminals B4 and B5. Disconnect the left clutch electromagnetic coil 2P connector, then check for continuity between left clutch electromagnetic 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 the SH-AWD control unit and the left clutch electromagnetic coil.