Troubleshooting (Wipers/Washers)
16-155spec tableBracketed ground labels [G201, G401] apply to RHD.
NOTE
The numbers in the table show the troubleshooting sequence.
Wipers do not operate. — In all positions
Blown No.13 (15A) fuse (in the dash fuse box)1
Wiper switch4
Wiper motor assembly2
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages3
Poor groundG301, G401 [G201, G401]
Open circuit in wires or loose or disconnected terminalsGRN/BLK¹
Wipers do not operate. — In INT
Blown No.13 (15A) fuse (in the dash fuse box)
Wiper switch1
Wiper motor assembly
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)2
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages
Poor ground
Open circuit in wires or loose or disconnected terminalsGRN, BLU/WHT¹
Wipers do not operate. — In LO or HI
Blown No.13 (15A) fuse (in the dash fuse box)
Wiper switch1
Wiper motor assembly2
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages
Poor ground
Open circuit in wires or loose or disconnected terminals
Wipers do not operate. — In Mist
Blown No.13 (15A) fuse (in the dash fuse box)
Wiper switch1
Wiper motor assembly
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages
Poor ground
Open circuit in wires or loose or disconnected terminals
Rear window wiper does not operate.
Blown No.13 (15A) fuse (in the dash fuse box)1
Wiper switch3
Wiper motor assembly2
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages
Poor groundG301, G401 [G201, G401]
Open circuit in wires or loose or disconnected terminalsGRN/BLK¹ or GRN²
Blades do not return to park position when wipers are turned OFF.
Blown No.13 (15A) fuse (in the dash fuse box)
Wiper switch2
Wiper motor assembly1
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages
Poor ground
Open circuit in wires or loose or disconnected terminalsBLU/WHT²
Erratic intermittent cycle or wipers do not operate intermittently.
Blown No.13 (15A) fuse (in the dash fuse box)
Wiper switch1
Wiper motor assembly
Washer switch
Washer motor
Intermittent wiper relay circuit (in the integrated control unit)2
Insufficient washer fluid in reservoir
Disconnected, blocked washer hose or clogged outlet
Disconnected wiper linkages
Poor ground
Open circuit in wires or loose or disconnected terminalsGRN/BLK² or GRN/BLK³
Little or no washer fluid is pumped.
Blown No.13 (15A) fuse (in the dash fuse box)
Wiper switch
Wiper motor assembly
Washer switch4
Washer motor3
Intermittent wiper relay circuit (in the integrated control unit)
Insufficient washer fluid in reservoir1
Disconnected, blocked washer hose or clogged outlet2
Disconnected wiper linkages
Poor groundG301, G401 [G201, G401]
Open circuit in wires or loose or disconnected terminalsBLK/YEL
[ ] : RHD