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.

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

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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 .

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

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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

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

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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.

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

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If the terminals look OK, go to step 10.

2004 Acura TSX

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