Isuzu Rodeo UE. Manual — part 581
8D–172
WIRING SYSTEM
Diagnosis
Rear Wiper Motor Does Not Operate
Step
Action
Value(s)
Yes
No
1
Is the fuse 17 normal?
—
Go to Step 2
Replace the
fuse
2
1. Disconnect the rear wiper/washer switch connector
I–16.
2. Turn the rear wiper switch on.
Is there continuity between switch side connector I–16
terminal 5 and 7?
—
Go to Step 3
Repair or
replace the
switch
3
Turn the starter switch on
Is the battery voltage applied between harness side
connector I–16 terminal 5 and the ground?
Approx. 12V
Go to Step 5
Go to Step 4
4
Repair an open circuit between the fuse 17 and
connector I–16 terminal 5.
Is the action complete?
—
Go to Step 3
—
5
Disconnect the alarm & relay control unit connector
I–41 and I–42.
Is the battery voltage applied between harness side
connector I–41terminal 12 or connector I–42 terminal
26 and the ground?
Approx. 12V
Go to Step 7
Go to Step 6
6
Repair an open circuit between the fuse 17 and
connector I–41 terminal 12 or connector I–42 terminal
26.
Is the action complete?
—
Go to Step 5
—
7
Is there continuity between harness side connector
I–16 terminal 7 and harness side connector I–42
terminal 5 or connector I–41 terminal 15?
—
Go to Step 9
Go to Step 8
8
Repair an open circuit between connector I–16
terminal 7 and connector I–42 terminal 5 or connector
I–41 terminal 15.
Is the action complete?
—
Go to Step 7
—
9
1. Disconnect the rear wiper motor connector G–6.
2. Connect the battery positive terminal with the motor
side connector G–6 terminal 4 and the battery
negative terminal with the motor side connector
G–6 terminal 6.
Does the motor operate?
—
Go to Step 10
Repair or
replace the
motor
10
Is there continuity between harness side connector
I–41 terminal 6 or connector I–42 terminal 12 and
harness side connector G–6 terminal 4?
—
Go to Step 12
Go to Step 11
11
Repair an open circuit between connector I–41
terminal 6 or connector I–42 terminal 12 and connector
G–6 terminal 4.
Is the action complete?
—
Go to Step 10
—
8D–173
WIRING SYSTEM
Step
No
Yes
Value(s)
Action
12
Is there continuity between harness side connector
I–41 terminal 5 or I–42 terminal 11 and harness side
connector G–6 terminal 6?
—
Go to Step 13
Replace the
alarm & relay
control unit
13
Repair an open circuit between connector G–6 terminal
6 and connector I–41 terminal 5 or connector I–42
terminal 11.
Is the action complete?
—
Verify repair
—
8D–174
WIRING SYSTEM
Auto-Stop Function Of The Rear Wiper Motor Does Not Operate
Step
Action
Value(s)
Yes
No
1
1. Disconnect the rear wiper motor connector G–6
2. Connect the battery positive terminal with the motor
side connector G–6 terminal 4 and the battery
negative terminal with terminal 6.
3. While the motor is operating, disconnect the battery
positive terminal from terminal 4 and then connect it
with terminal 5 again.
4. Under this condition, connect the motor side
connector terminal 1 with terminal 4.
Does the motor stop at the correct position?
—
Go to Step 2
Repair or
replace the
motor
2
Turn the start switch on
Is the battery voltage applied between harness side
connector G–6 terminal 5 and the ground?
Adpprox. 12V
Go to Step 4
Go to Step 3
3
Repair an open circuit between the fuse 17 and
connector G–6 terminal 5.
Is the action complete?
—
Go to Step 2
—
4
Disconnect the alarm & relay control unit connector
I–41 and I–42.
Is there continuity between harness side connector
G–6 terminal 1 and harness side connector I–42
terminal 2 or connector I–42 terminal 8?
—
Replace the
alarm & relay
control unit
Go to Step 5
5
Repair an open circuit between connector G–6 terminal
1 and connector I–42 terminal 2 or connector I–42
terminal 8.
Is the action complete?
—
Verify repair
—
Rear Wiper Motor Does Not Operate With Rear Wiper/Washer Switch At Wiper Position
Step
Action
Value(s)
Yes
No
1
1. Disconnect the rear wiper/washer switch connector
I–16.
2. Turn the switch to rear wiper position.
Is there continuity between the switch side connector
I–16 terminal 5 and 7?
—
Go to Step 2
Repair or
replace the
switch
2
1. Reconnect the rear wiper/washer switch connector
I–16.
2. Disconnect the alarm & relay control unit connector
I–41 and I–42.
3. Turn the starter switch on.
Is the battery voltage applied between harness side
connector I–42 terminal 5 or connector I–41 terminal 15
and the ground?
Approx. 12V
Replace the
alarm & relay
control unit
Go to Step 3
3
Repair an open circuit between connector I–16
terminal 7 and connector I–42 terminal 5 or connector
I–41 terminal 15.
Is the action complete?
—
Verify repair
—
8D–175
WIRING SYSTEM
Rear Wiper Motor Does Not Operate With Rear Wiper/Washer Switch At Washer Position
Step
Action
Value(s)
Yes
No
1
1. Disconnect the rear wiper/washer switch connector
I–16.
2. Turn the switch to the washer position.
Is there continuity between the switch side connector
I–16 terminal 8 and 4?
—
Go to Step 2
Repair or
replace the
switch
2
1. Reconnect the rear wiper/washer switch connector
I–16.
2. Disconnect the alarm & relay control unit connector
I–41 and I–42.
3. Turn the starter switch on.
Is the battery voltage applied between harness side
connector I–42 terminal 6 or connector I–41 terminal 16
and the ground?
Approx. 12V
Replace the
alarm & relay
control unit
Go to Step 3
3
Repair an open circuit between connector I–16
terminal 4 and connector I–42 terminal 6 or connector
I–41 terminal 16.
Is the action complete?
—
Verify repair
—
Rear Wiper Motor Does Not Stop Operating
Step
Action
Value(s)
Yes
No
1
1. Disconnect the rear wiper/washer switch connector
I–16.
2. Turn the switch to the off position.
NOTE: There should be no continuity.
Is there continuity between the switch side connector
I–16 terminal 5 and 7?
—
Repair or
replace the
switch
Replace the
alarm& relay
control unit
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