DTC B2078: Right Power Sliding Door Remote Control Switch 2 Signal Error

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.

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 OFF, and then back ON (II).
Turn the power sliding door main switch ON.
Check for DTCs with the HDS.
Is DTC B2078 indicated?
1. YES - Go to step 5.
2. NO - Go to step 9.
Turn the ignition switch OFF.
Disconnect the 22P and 12P connectors from the right power sliding door control unit.
Disconnect the 4P connector from the right power sliding door remote control switch (see WINDOW POSITION SWITCH TEST ).
Check for continuity between the right power sliding door remote control switch 4P connector No. 4 terminal and body ground.

Fig 1: Checking Continuity Between Right Power Sliding Door Remote Control Switch 4P Connector Terminal 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?
1. YES - Repair a short in the wire.
2. NO - Go to step 11.
Operate the right power sliding door inside handle to CLOSE side for more than 3 seconds.
Check for DTCs with the HDS.
Is DTC B2078 indicated?
1. YES - Go to step 11.
2. NO - Intermittent failure. The power sliding door system is OK at this time. Check for loose or poor connections at the right power sliding door control unit connector, and at the right power sliding door remote control switch connector.
Check for continuity between the right power sliding door remote control switch 4P connector No. 2 terminal and body ground.

Fig 2: Checking Continuity Between Right Power Sliding Door Remote Control Switch 4P Connector Terminal 2 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?
1. YES - Repair a short in the wire.
2. NO - Go to step 12.
Check for continuity between the right power sliding door remote control switch 4P connector No. 2 and No. 4 terminals and body ground.

Fig 3: Checking Continuity Between Right Power Sliding Door Remote Control Switch 4P Connector Terminals 2 & 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?
1. YES - Replace the right power sliding door remote control switch.
2. NO - Replace the right power sliding door control unit.