Pontiac Fiero 1988 Service Manual page 1233

8E2-8 WINDSHIELD WIPER SYSTEMS
CONDITION NO.
WINDSHIELD WIPERS
INOPERATIVE
WITH IGNITION SWITCH ON AND V
12 VOLT TEST LAMP AND TOUC
NO. D
VIPER SWITCH ON HIGH, GROUND
H PROBE TO WIPER TERMINAL
PULSE WIPER ONLY — REMOVE
REAR MODULE CONNECTORS. CI
PLACE MODULE IF NOT OK, GO T(
MODULE, CONNECT FRONT AND
HECK WIPER SYSTEM. IF OK, RE-
D NEXT STEP.
LAMP ON
LAMF > OFF
CHECK . FUSE
FUSE I 3LOWN
REPLAC :E FUSE
FUSE OK
REPAIR OPEN IN FEED
CIRCUIT BETWEEN FUSE
BLOCK AND WIPER MOTOR
FUSE BLOWS FUSE OK
CHECK FOR SHORT IN WIRE
OR MOTOR FOR HIGH
AMPERAGE DRAW
PROBLEM IS IN MOTOR.
REFER TO SERVICE PROCE-
DURE
WITH WIPER SWITCH IN LOW, LEAVE WIRING
CONNECTED TO WIPER MOTOR, CONNECT
JUMPER WIRE FROM MOTOR TO GROUND
WIPER RUNS
WIPfcR D O t S
NOT RUN
REPAIR OPEN
GROUND STRAP
PROBLEM IS IN MOTOR.
R E F E R TO S E R V I C E
PROCEDURES 2 9 8 2
Fig. 12 Windshield Wiper Diagnosis Chart - Condition 1