Replace the right power mirror.?
NO -
Replace the front passenger's MPCS unit.?
B2186
DTC Troubleshooting: B2186
DTC B2186:
Front Passenger's Door Lock Switch LOCK/UNLOCK Signal Error
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. Lock and unlock the front passenger's door with the front passenger's door lock switch.
4. Check for DTCs with the HDS.
Is DTC B2186 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the front passenger's door lock switch system is OK at this time. Check for loose or poor connections between the front
passenger's MPCS unit and the front passenger's door lock switch.?
5. With the front passenger's door lock switch in the neutral position, select the DOOR LOCK from the BODY ELECTRICAL SYSTEM
SELECT menu, and enter the DATA LIST.
6. Check the ON/OFF information of the Front Passenger's Door Lock Switch (LOCK) and Front Passenger's Door Lock Switch (UNLOCK).
Are both information indicators OFF?
YES -
Go to step 7.
NO -
Go to step 8.
7. Operate the front passenger's door lock switch in the LOCK and UNLOCK positions, and check the ON/OFF information of the Front
Passenger's Door Lock Switch (LOCK) and Front Passenger's Door Lock Switch (UNLOCK).
Are both the Front Passenger's Door Lock Switch (LOCK) and Front passenger's Door Lock Switch (UNLOCK) information indicators ON at the
same time when the door lock switch is in the LOCK or UNLOCK position?
YES -
Do the door lock switch test See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Testing and
Inspection/Component Tests and General Diagnostics/Power Door Lock Switch Test. If the switch is OK, repair a short between the wires.?
NO -
Replace the front passenger's MPCS unit.?
8. Disconnect the front passenger's door lock switch 5P connector.
9. Check the ON/OFF information of the Front Passenger's Door Lock Switch (LOCK) and Front Passenger's Door Lock Switch (UNLOCK).
Are both information indicators OFF?
