Acura TSX / Honda Accord CL. Manual - part 53

Fig. 30: Indicator Systems Wiring Diagram

CONTROL UNIT INPUT TEST

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

1. Before testing, troubleshoot the multiplex integrated control system using B-CAN System Diagnosis Test

Mode A (see B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Multiplex Integrated Control Unit

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

3. Disconnect the under-dash fuse/relay box connectors F, H and P.

Fig. 31: Identifying Under-Dash Fuse/Relay Box Connector F (14P) Terminals

Fig. 32: Identifying Under-Dash Fuse/Relay Box Connector P (30P) Terminals

NOTE:

All connectors are wire side of female terminals.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

4. 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 are OK, go to step 5.

5. Reconnect the connectors, and make these input tests at the connector. See Fig. 33 .

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 6.

Fig. 33: Control Unit Input Test (Connected)

6. Remove the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).

7. Disconnect the gauge control module connectors A and B.

NOTE:

All connectors are wire side of female terminals.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

Fig. 34: Identifying Gauge Control Module Connector A (22P) Terminals

Fig. 35: Identifying Gauge Control Module Connector B (18P) Terminals

8. 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 are OK, go to step 9.

9. With the connectors still disconnected, make these input tests at the connector. See Fig. 36 .

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

If the input tests prove OK, go to step 10.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX