Rear Window Wiper Control Unit Input Test - '97 Model - Honda CR-V 1997 Service Manual

Wipers/Washers
Rear Window Wiper Control Unit Input Test - '97 Model
1. Remove the driver's dashboard lower cover and the
knee bolster (see section 20) .
REAR WINDOW WIPER
CONTROL UNIT
2. Disconnect the 8P connector from the control unit.
8P CONNECTOR
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 any test indicates a problem , find and correct
the cause, then recheck the system.
- If all the input tests are OK, replace the control
unit.
Cavity Wire
Test condition
Test Desired result
4
BlK
Under all conditions Check for continuity to ground:
There should be continuity,
Ignition switch ON
(It)
Check for voltage to ground:
6 GRN There should be battery voltage.
Ignition switch ON (II), Check for voltage to ground:
IT GRN/
and rear window
Ther. should be battery voltage.
1
RED
wiper/washer switch
ON
Ignition switch ON
(It)
Check for voltage to ground :
2
IT GRN/ There should be battery voltage.
BlK
Ignition switch ON (II) Check for voltage to ground:
3
lTGRN
There should be battery voltage.
Ignition switch ON (II),
Check for voltage to ground:
and rear window
There should be battery voltage.
5
GRN/BlK
wiper/washer switch at
washer position
23-118
~
IT GRN/BlK
GRN/BlK
Wire side of
female terminals
Possible cause
if
result is not obtained
• Poor ground (G401, G402)
• An open in the wire
• Blown No.3 (10 A) fuse in the
under-dash fuse/relay box
• An open in the wire
• Blown No. 3 (10 A) fuse in the
under-dash fuse/relay box
• Faulty rear window wiper/washer
switch
• An open in the wire
• Blown No. 3 (10 A) fuse in the
under-dash fuse/relay box
• Faulty rear window wiper motor
• An open in the wire
• Blown No. 3 (lOA) fuse in the
under-dash fuse/relay box
• Faulty rear window wiper motor
• An open in the wire
• Blown No.3 (10 AI fuse in the
under-dash fuse/relay box
• Faulty rear window wiper/washer
switch
• An open in the wire