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.

z

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

z

If the terminals are OK, go to step 5.

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

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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 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.

z

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

z

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 .

z

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

z

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

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX