Acura TSX / Honda Accord CL. Manual - part 52

 

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Acura TSX / Honda Accord CL. Manual - part 52

 

 

Fig. 25: Safety Indicator System Wiring Diagram 

SAFETY INDICATOR INPUT TEST 

1. Before testing the safety indicator functions, troubleshoot the multiplex integrated control system using 

the B-CAN System Diagnosis Test Mode A (see B-CAN SYSTEM DIAGNOSIS TEST MODE A ). 

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

  

 

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 E, H and P. 

Fig. 26: Identifying Under-Dash Fuse/Relay Box Connector E (16P) Terminals 

NOTE:

All connectors are wire side of female terminals.

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

  

 

Fig. 27: Identifying Under-Dash Fuse/Relay Box Connector H (14P) Terminals 

Fig. 28: Identifying Under-Dash Fuse/Relay Box Connector P (30P) Terminals 

4. 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, are recheck the system. 

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

  

 

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If the terminals look OK, go to step 5.  

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

appropriate connectors on the under-dash fuse/relay box. See Fig. 29 . 

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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. 29: Safety Indicator Input Test 

6. Perform the Gauge Self-diagnostic Procedure (see SELF-DIAGNOSTIC PROCEDURE ). 

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If the indicators flash, go to step 7.  

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If the indicators do not flash, replace the gauge control module.  

7. Substitute a known-good under-dash fuse/relay box and recheck the system. 

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If the symptom is gone, the multiplex integrated control unit (MICU) is faulty; replace the under-
dash fuse/relay box.  

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If the symptom is still present, the gauge control module must be faulty; replace the gauge control 
module.  

LIGHTS-ON, KEY-IN, SEAT BELT REMINDER, KEY LIGHT TIMER & ENGINE 
OIL PRESSURE INDICATOR SYSTEMS 

CIRCUIT DIAGRAM 

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Gauges & Indicators - TSX

  

 

 

 

 

 

 

 

 

Content   ..  50  51  52  53   ..