DTC B2182: Left Power Mirror Horizontal Sensor Signal Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Clear the DTCs with the HDS.
Turn the ignition switch to LOCK (0) and then back to ON (II).
Move the left power mirror in each direction with the power mirror switch.
Check for DTCs with the HDS.
Is DTC B2182 indicated?

YES -Go to step 5.

NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
Select POWER SEAT/POWER MIRROR from the BODY ELECTRICAL SYSTEM SELECT menu, and enter the DATA LIST.
Check the NORMAL/ABNORMAL information of the LEFT POWER MIRROR HORIZONTAL SENSOR in the DATA LIST.
Is the information indicator ABNORMAL?

YES -Go to step 7.

NO -Replace the driver's MPCS unit.
Turn the ignition switch to LOCK (0).
Disconnect driver's MPCS unit connector A (40P).
Disconnect the driver's door wire harness A 16P connector.
Check for continuity between driver's MPCS unit connector A (40P) terminal No. 10 and driver's door wire harness A 16P connector terminal No. 4.

Fig 1: Checking Continuity Between Connector (40P) Terminal No. 10 And 16P Connector Terminal No. 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 11.

NO -Repair an open in the wire.
Check for continuity between driver's door wire harness A 16P connector terminal No. 4 and body ground.

Fig 2: Checking Continuity Between 16P Connector Terminal No. 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to ground in the wire.

NO -Go to step 12.
Check for continuity between driver's door wire harness A 16P connector terminals No. 4 and No. 6.

Fig 3: Checking Continuity Between 16P Connector Terminals No. 4 And No. 6
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short in the wires.

NO -Go to step 13.
Reconnect driver's MPCS unit connector A (40P).
Turn the ignition switch to ON (II).
Measure the voltage between driver's door wire harness A 16P connector terminal No. 4 and body ground.

Fig 4: Measuring Voltage Between 16P Connector Terminal No. 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there about 5 V?

YES -Replace the left power mirror.

NO -Replace the driver's MPCS unit.