Acura TSX / Honda Accord CL. Manual - part 78

Fig. 20: Locating Entry Light Control System Components

CIRCUIT DIAGRAM

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Turn Signal/Hazard Flasher & Interior Lights - TSX

Fig. 21: Entry Light Control System Wiring Diagram

CONTROL UNIT INPUT TEST

1. Before testing the entry light control functions, troubleshoot the multiplex integrated control system using

B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING ).

2. Remove the left kick panel (see TRIM REMOVAL/INSTALLATION - DOOR AREA ).

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Turn Signal/Hazard Flasher & Interior Lights - TSX

3. Disconnect the under-dash fuse/relay box connectors.

Fig. 22: Identifying Under-Dash Fuse/Relay Box Connector Terminals

4. Inspect the connector terminals to be sure they are all making good contact.

If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.

If the terminals look OK, go to step 5.

5. With the connectors still disconnected, make these input tests at the connector. See Fig. 23 .

If any test indicates a problem, find and correct the cause, the recheck the system.

If all the input tests prove OK, go to step 6.

Fig. 23: Control Unit Input Test (Disconnected)

6. Reconnect the connectors to the under-dash fuse/relay box, and make these input tests at the appropriate

connectors on the under-dash fuse/relay box. See Fig. 24 .

NOTE:

All connectors are wire side of female terminals.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Turn Signal/Hazard Flasher & Interior Lights - TSX

If any test indicates a problem, find and correct the cause, then recheck the system.

If all the input tests prove OK, go to step 7.

Fig. 24: Control Unit Input Test (Connected)

Door Multiplex Control Unit:

7. Remove the driver's door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).

8. Disconnect the 23P connector from the door multiplex control unit.

9. Inspect the connector and socket terminals to be sure they are all making good contact.

If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.

If the terminals look OK, go to step 10.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Turn Signal/Hazard Flasher & Interior Lights - TSX