DIAGNOSIS AND TESTING
PINPOINT TESTS
PINPOINT TEST A: THE WIPERS ARE INOPERATIVE
PAGE 1 OF 3
A1: DETERMINE THE FAULT CONDITION ........................................................ 501-16-5
A2: DETERMINE THE FAULT CONDITION ........................................................ 501-16-5
A3: CHECK THE FUSE F12 ................................................................................ 501-16-5
A4: CHECK THE POWER SUPPLY OF FUSE F12............................................. 501-16-6
A5: CHECK THE POWER SUPPLY OF MULTIFUNCTION SWITCH .................. 501-16-6
A6: CHECK THE MULTIFUNCTION SWITCH FOR PROPER
FUNCTION.......................................................................................................... 501-16-6/7
A7: CHECK THE GROUND CONNECTION OF WINDSHIELD
WIPER MOTOR ................................................................................................. 501-16-7
A8: CHECK THE WINDSHIELD WIPER MOTOR FOR PROPER
FUNCTION.......................................................................................................... 501-16-7/8
A9: CHECK THE MULTIFUNCTION SWITCH FOR PROPER
FUNCTION.......................................................................................................... 501-16-8
A10: CHECK THE WIND HIELD WIPER OTOR FOR PROPER
FUNCTION.......................................................................................................... 501-16-9
A11: CHECK THE MULTIFUNCTION SWITCH FOR PROPER
FUNCTION.......................................................................................................... 501-16-9/10
PINPOINT TEST B: THE WIPERS STAY ON CONTINUOUSLY
B1: CHECK THE RELAY – INTERMITTENT WIPE FOR SHORT TO
POWER............................................................................................................... 501-16-10
B2: CHECK THE RELAY – INTERMITTENT WIPE ............................................. 501-16-10
B3: CHECK THE CIRCUIT (WIPER PARK) TO RELAY
– INTERMITTENT WIPE FOR SHORT TO POWER ........................................... 501-16-11
B4: CHECK THE MULTIFUNCTION SWITCH FOR PROPER
FUNCTION.......................................................................................................... 501-16-11
B5: CHECK THE CIRCUIT (WIPER PARK) TO MULTIFUNCTION
SWITCH FOR SHORT TO POWER................................................................... 501-16-12
B6: CHECK THE CIRCUIT (LOW WIPER SPEED) TO
WINDSHIELD WIPER MOTOR FOR SHORT TO POWER ................................. 501-16-12
B7: CHECK THE CIRCUIT (FAST WIPER SPEED) TO
WINDSHIELD WIPER MOTOR FOR SHORT TO POWER ................................. 501-16-13
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