Control Unit Input Test - Acura 3.5 RL Manual

Power Door Locks

Control Unit Input Test

NOTE:
• Before testing, go to the Troubleshooting Guide (see page 23-244). Be sure to go through self-diagnosis function
modes 1 and 2 (see pages
• All connector views are from the wire side of female terminals unless otherwise noted.
Multiplex Control Unit (Door):
1. Remove the driver's door panel, and disconnect the 20P connector from the door unit (see page 23-245).
2. 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 any test indicates a problem, find and correct the cause, then recheck the system.
— If all the input tests prove OK, the power window master switch must be faulty; replace it.
Disconnect the connectors from the unit.
Cavity Wire
Under all conditions
1
WHT/YEL
Driver's door opened
GRN/BLU
5
Driver's door closed
12 Under all conditions
BLK
19
23-248 and 23-252).
Test condition
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be less than 1 V.
Check for voltage to ground:
There should be 5 V or more.
Check for continuity to ground:
There should be continuity.
*1:'96-97 models
*2:'98-01 models
Test: Desired result 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
• Faulty driver's door switch
• Poor ground (G401, G402 or G251)
• An open in the wire
• Poor ground (G401, G402 or G251)
• An open in the wire