Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the MICU and the rear MICU.?
5. Check for DTCs with the HDS.
Is DTC B1955 indicated with DTC B1012?
YES -
Do the rear MICU input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component
Tests and General Diagnostics/Rear MICU Input Test.?
NO -
Do the MICU input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests
and General Diagnostics/MICU Input Test.?
B1013
DTC Troubleshooting: B1013, B1015
DTC B1013:
MICU Lost Communication with Driver's MPCS Unit (ASLOCKSW Message)
DTC B1015:
MICU Lost Communication with Driver's MPCS Unit (DRLOCKSW Message)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC B1013 and/or B1015 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the MICU and the driver's MPCS unit.?
5. Check for DTCs with the HDS.
Are DTCs B1065, B1182, B1356, B1358, and/or B1905 also indicated with B1013 and/or B1015?
YES -
Do the driver's MPCS unit input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and
Inspection/Component Tests and General Diagnostics/Power Windows (Drivers MPCS Unit) Input Test.?
NO -
Do the MICU input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests
and General Diagnostics/MICU Input Test.?
B1015
DTC Troubleshooting: B1013, B1015
