Acura TSX / Honda Accord CL. Manual — part 147

Fig. 16: DTC Table

8. Check for B-CAN DTCs indicated by the gauge control module while still in Test Mode 1.

Are any DTCs indicated?

YES: Go to step 9.

NO: Go to step 11 .

9. Record all DTCs and sort them by type using the DTC Troubleshooting Index.

10. Troubleshoot the DTCs in the following order:

z

Battery voltage DTCs

z

Internal error DTCs

z

Loss of communication DTCs (begin with the lowest number first; for example, if B1006 and
B1059 are retrieved, troubleshoot B1006 first)

z

Signal error DTCs

11. Remove the MPCS service connector from the under-dash fuse/relay box socket for 5-10 seconds, then

re-insert it.

NOTE:

If the MPCS connector is disconnected for too short or too long of a time,
or the ignition switch is turned OFF, the system will return to Test Mode 2.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX

12. In the table below is a list of circuits that can be checked in Test Mode 2. Operate the switch that is most

closely related to the problem. If the circuit is OK, the ceiling light will blink once. If the circuit is faulty,
there will be no indication.

Does the ceiling light indicate proper switch operation?

YES: Go to function and input test for the system related to the failure.

NO: Repair the open, short, or replace the faulty switch.

Fig. 17: MICU Table

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX

Fig. 18: Relay Control Module Table

Fig. 19: Combination Switch Control Unit Table

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX

Fig. 20: Power Window Master Switch (Door Multiplex Control Unit) Table

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX