Passenger's door lock knob switch circuit troubleshooting

Turn the ignition switch to ON (II).
With the passenger's door lock knob switch in LOCK position, select SECURITY with the HDS, and enter the DATA LIST.
Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SW (UNLOCK) in the DATA LIST.
Is data list value indicated ON?

YES -Go to step 4.

NO -Go to step 8.
Disconnect the passenger's door lock actuator/knob switch 10P connector.
Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SW (UNLOCK) in the DATA LIST.
Is data list value indicated OFF?

YES -Faulty passenger's door lock knob switch; replace the door latch (see DOOR LATCH REPLACEMENT ).

NO -Go to step 6.
Disconnect under-dash fuse/relay box connector Q (34P).
Check for continuity between under-dash fuse/relay box connector Q (34P) terminal No. 28 and body ground.

Fig 1: Checking Continuity Between Under-Dash Fuse/Relay Box Connector Q (34P) Terminal No. 28 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.
- USA models (see REMOVAL AND INSTALLATION )
- Canada models (see CANADA MODELS )
Disconnect the passenger's door lock actuator/knob switch 10P connector.
Connect passenger's door lock actuator/knob switch 10P connector terminal No. 7 and body ground with a jumper wire.

Fig 2: Connecting Passenger's Door Lock Actuator/Knob Switch 10P Connector Terminal No. 7 And Body Ground With A Jumper Wire
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SW (UNLOCK) in the DATA LIST.
Is data list value indicated ON?

YES -Go to step 11.

NO -Go to step 12.
Check for continuity between passenger's door lock actuator/knob switch 10P connector terminal No. 5 and body ground.

Fig 3: Checking Continuity Between Passenger's Door Lock Actuator/Knob Switch 10P Connector Terminal No. 5 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Faulty passenger's door lock knob switch; replace the door latch (see DOOR LATCH REPLACEMENT ).

NO -Repair an open or high resistance in the wire or poor ground (G502).
Connect under-dash fuse/relay box connector Q (34P) terminal No. 28 and body ground with a jumper wire.

Fig 4: Connecting Under-Dash Fuse/Relay Box Connector Q (34P) Terminal No. 28 And Body Ground With Jumper Wire
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SW (UNLOCK) in the DATA LIST.
Is 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.
- USA models (see REMOVAL AND INSTALLATION )
- Canada models (see CANADA MODELS )