Symptom:
CHECKIN G THE RAIN S EN SOR/WIP ER OP ERATION
POSSIBLE CAUSES
CH E CK TH E WIPE R MOTOR CIRCU IT CAVITY 2
CH E CK TH E WIPE R MOTOR CIRCU IT CAVITY 5
CH E CK TH E WIPE R MOTOR CIRCU IT CAVITY 5 II
CH E CK TH E WIPE R MOTOR CIRCU IT CAVITY 6
CH E CK TH E WIPE R MOTOR CIRCU IT CAVITY 6 II
CH E CK WIP E R MOTOR GROU ND CIRCU IT
CH E CKING TH E 12 VOLT POWE R SUP P LY
CH E CKIN G TH E GROUN D CI RCUI T
CH E CKING TH E RAIN SE NSOR OP ERATION
CH E CKING WIP E R SIGN ALS TO THE RAIN SE NSOR MODULE
RAIN SE N SOR
RAIN SE N SOR CIRCU IT(S) OP EN
RAIN SE N SOR CIRCU IT(S) SH ORTE D TO GROUND
RAIN SE N SOR CIRCU IT(S) SH ORTE D TO VOLTAGE
RAIN SE N SOR MODULE
RAIN SNSR CKTS SH ORTE D TOGE TH ER
WI PER MO TO R
TE S T ACTION AP PLICAB ILITY
1 Tur n th e ign it ion on .
Mon it or th e win dsh ield wiper s wh ile tu r n in g th e wiper swit ch to ea ch of th e 4 swit ch
posit ion s: OF F, INTE RMITTE NT, LOW a n d H IGH .
Did t h e wiper s fu n ct ion s pr oper ly in ea ch wiper swit ch posit ion ?
All
Ye s → Go To 2
No → Go To 8
2 NOTE: The Rain Sensor is located in the windshield mount of the rear view
m irro r in t h e to p -c e n te r of th e w in d s h ie ld .
NOTE: The Rain Sensor Module (RSM) is mounted above the accelerator
pe d a l as s e m bly.
Tur n th e ign it ion on .
Move th e Wiper Swit ch t o t h e In t erm it ten t posit ion .
Spr a y or pou r wa t er on th e Ra in Sen sor a r ea of th e win dsh ield.
Did t h e wiper s act iva te wh en wa t er wa s spr ayed/pou r ed on th e Ra in Sen sor a r ea of
the windshield?
All
Ye s → Ra in Sen sor /Wiper Syst em oper a t in g pr oper ly. Test complet e.
No → Go To 3
239
WI N DSH I ELD WI PER & WASH ER
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