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Home >> GMC >> 1998 >> Jimmy 2D Utility, 4WD, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System And Washer System >> System Testing >> Rear System

Rear System

  1. Push rear window washer switch to WASH position. Washer should spray until switch is released. Wiper should continue to operate for approximately 3 cycles.
  2. Turn wiper/washer switch to LO position. Wiper should operate with approximately a 5 second delay between wipe cycles.
  3. Turn wiper/washer switch to HI position. Wiper should operate constantly at a faster speed.
SYMPTOM DIAGNOSIS

Symptom Perform Test No.
Wipers Do Not Run In Any Mode 1 
Wipers Do Not Turn Off 2 
Wipers Do Not Run In LO Speed (1)
Wipers Do Not Run At All In HI Speed 3 
Wipers Run Only When Switch Is In HI Speed Setting, But Run At LO Speed (2)
Wipers Do Not Run In LO Speed, Delay, Or MIST Modes, But HI Speed Is Okay 4 
Delay Operates Incorrectly Or Not At All 5 
Wipers Stop Randomly Do Not Park In OFF Position 6 
Wipers Do Not Run When Washer Is Turned On 7 
Washer Does Not Operate 8 
(1) Replace wiper/washer switch.
(2) Check for open Yellow wire between fuse and wiper motor. If Yellow wire is okay, replace wiper motor.