Acura 3.5 RL Manual page 1197

Multiplex Control System
Power and Ground Test (cont'd)
Multiplex Control Unit (Passenger's):
1. Remove the right kick panel (see
2. Disconnect the 22P and 26P connectors, then remove the passenger's unit.
3. 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 look OK, make the following input tests at the connector.
If a test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, the control unit must be faulty; replace it.
26P CONNECTOR
Cavity Wire
Under all conditions
WHT/YEL
Under all conditions
BLK
Under all conditions
WHT
Ignition switch ON (II)
YEL
Under all conditions
BLK
section 20).
Test condition
Check for voltage to ground:
There should be battery voltage.
Check for continuity to ground:
There should be continuity.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Check for continuity to ground:
There should be continuity.
Test: Desired result
Wire side of
female terminals
MULTIPLEX CONTROL UNIT (PASSENGER'S)
22P CONNECTOR
Possible cause if result is not obtained
• Blown No. 56 (7.5 A) fuse in the
under-hood fuse/relay box
• An open in the wire
• Poor ground (G401, G402)
• An open in the wire
• Blown No. 44 (20 A) fuse in the
under-hood fuse/relay box
• An open in the wire
• Blown No. 13 (7.5 A) fuse in the
under-dash fuse/relay box
• An open in the wire
• Poor ground (G404)
• An open in the wire