Tailgate Latch Switch Circuit Troubleshooting

Turn the ignition switch to ON (II).
With the tailgate closed, select SECURITY with the HDS, and enter the DATA LIST.
Check the ON/OFF information of the TRUNK LID/TAIL GATE SWITCH in the DATA LIST.
Is the data list value indicated ON?

YES - Go to step 4

NO - Go to step 8
Disconnect the tailgate latch switch 2P connector.
Check the ON/OFF information of the TRUNK LID/TAIL GATE SWITCH in the DATA LIST.
Is the data list value indicated OFF?

YES - Faulty tailgate latch switch, replace the tailgate latch (see TAILGATE LATCH REPLACEMENT ).

NO - Go to step 6
Disconnect under-dash fuse/relay box connector C (49P).
Check for continuity between under-dash fuse/relay box connector C (49P) terminal No. 22 and body ground.

Fig 1: Checking Continuity Between Under-Dash Fuse/Relay Box Connector C (49P) Terminal No. 22 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Repair a short to ground in the wire.

NO - Faulty MICU; replace the under-dash fuse/relay box.
- For USA model (see USA MODELS ).
- For Canada model (see CANADA MODELS ).
Disconnect the tailgate latch switch 2P connector.
Connect tailgate latch switch 2P connector terminal No. 1 and body ground with a jumper wire.

Fig 2: Connecting Tailgate Latch Switch 2P Connector Terminal No. 1 And Body Ground With A Jumper Wire
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the ON/OFF information of the TRUNK LID/TAIL GATE SWITCH in the DATA LIST.
Is the data list value indicated ON?

YES - Go to step 11

NO - Go to step 12
Check for continuity between tailgate latch switch 2P connector terminal No. 2 and body ground.

Fig 3: Checking For Continuity Between Tailgate Latch Switch 2P Connector Terminal No. 2 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Faulty tailgate latch switch, replace the tailgate latch (see TAILGATE LATCH REPLACEMENT ).

NO - Repair an open or high resistance in the wire or poor ground (G602).
Connect under-dash fuse/relay box connector C (49P) terminal No. 22 and body ground with a jumper wire.

Fig 4: Checking For Continuity Between Tailgate Latch Switch 2P Connector Terminal No. 2 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the ON/OFF information of the TRUNK LID/TAIL GATE SWITCH in the DATA LIST.
Is the data list value indicated ON?

YES - Repair an open or high resistance in the wire.

NO - Faulty MICU; replace the under-dash fuse/relay box.
- For USA model (see USA MODELS ).
- For Canada model (see CANADA MODELS ).