Acura TSX / Honda Accord CL. Manual — part 155

DOOR MULTIPLEX CONTROL UNIT INPUT TEST

1. Remove the driver's door switch panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).

2. Disconnect the 23P connector from the power window master switch.

Fig. 46: Identifying Door Multiplex Control Unit Connector Terminals

3. 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 look OK, go to step 4.

4. With the door multiplex control unit still disconnected, make these input tests at the connector:

z

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

z

If all the input tests prove OK, the door multiplex control unit must be faulty, replace the power
window master switch.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX

Fig. 47: Door Multiplex Control Unit Input Test

COMBINATION SWITCH CONTROL UNIT INPUT TEST

1. Remove the steering column covers (see STEERING COLUMN REMOVAL AND

INSTALLATION ).

2. Disconnect the 8P connector (A) from the wiper/washer switch (B).

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX

Fig. 48: Identifying Combination Switch Control Unit Connector Terminals

3. 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 look OK, go to step 4.

4. With the control unit still disconnected, make these input tests at the connector:

z

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

z

If all the input tests prove OK, the combination switch control unit must be faulty, replace the
wiper/washer switch.

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX

Fig. 49: Combination Switch Control Unit Input Test

RELAY CONTROL MODULE INPUT TEST

1. Remove the under-hood fuse/relay box under cover.

2. Disconnect the 10P connector (A) from the under -hood fuse/relay box (B).

2004 Acura TSX

2004 ACCESSORIES & EQUIPMENT Multiplex Integrated Control System - TSX