Isuzu 1999 RODEO Workshop Manual page 2316

8D–166 WIRING SYSTEM
Windshield Wiper Motor Does Not Stop
Step
1 Repair or replace the windshield wiper and washer
switch.
NOTE: There should be continuity between the switch
side connector I–31 terminal 5 and 6 only when the
switch is turned to the off position.
Is the action complete?
Windshield Washer Motor Does Not Operate
Step
1 Does the windshield wiper motor operate?
2 Is the fuse 16 normal?
3 1. Disconnect the windshield wiper and washer switch
connector I–31.
2. Turn the starter switch on.
Is the battery voltage applied between harness side
connector I–31 terminal 1 and the ground?
4 Repair an open circuit between the fuse 16 and
connector I–31 terminal 1.
Is the action complete?
5 Is C–16 grounded securely?
6 Turn the windshield wiper and washer switch to the
washer position.
Is there continuity between switch side connector I–31
terminal 1 and 7?
7 1. Disconnect the windshield washer motor connector
C–28.
2. Connect the battery positive terminal with the motor
side connector C–28 terminal 1 and connect the
battery negative terminal with terminal 2.
Does the motor operate?
8 1. Reconnect the windshield wiper and washer switch
connector I–31.
2. Turn the starter switch on.
Is the battery voltage applied between harness side
connector C–28 terminal 2 and the ground?
9 Repair an open circuit between connector I–31
terminal 7 and connector C–28 terminal 1.
Is the action complete?
10 Repair an open circuit between connector C–28
terminal 2 and the ground C–16.
Is the action complete?
Action
Action
Value(s) Yes
— Verify repair
Value(s) Yes
— Go to Step 6
— Go to Step 3
Approx. 12V Go to Step 5
— Go to Step 3
— Go to Step 6
— Go to Step 7
— Go to Step 8
Approx. 12V Go to Step 10
— Verify repair
— Verify repair
No
—
No
Go to Step 2
Replace the
fuse
Go to Step 4
—
Ground it
securely
Repair or
replace the
switch
Repair or
replace the
motor
Go to Step 9
—
—