TE S T ACTION AP PLICAB ILITY
8 Tur n th e ign it ion off.
NOTE: The Rain Sensor Module (RSM) is mounted above the accelerator
pe d a l as s e m bly.
Discon n ect t he Ra in Sen sor Modu le ha r n ess con n ect or.
Tur n th e ign it ion on .
Usin g a 12-volt t est ligh t con n ect ed to gr ou n d, check t h e Ba t t er y Su pply cir cu it at th e
Ra in Sen sor Modu le h a r n ess con n ect or cavit y A-1.
Does t h e test ligh t illu min a t e br igh t ly?
All
Ye s → Go To 9
No → Repa ir th e open 12 Volt P ower Su pply cir cu it .
9 Tur n th e ign it ion off.
Discon n ect t he Ra in Sen sor Modu le ha r n ess con n ect or.
Usin g a 12-volt test ligh t conn ect ed t o 12 volt s, check th e Gr ou n d cir cu it a t th e Ra in
Sen sor Modu le ha r n ess con n ect or ca vit y C-1.
Does t h e test ligh t illu min a t e br igh t ly?
All
Ye s → Go To 10
No → Repa ir th e open Gr ou n d cir cu it .
10 Tur n th e ign it ion off.
Discon n ect t he Ra in Sen sor Modu le ha r n ess con n ect or.
Tur n th e ign it ion on .
Refer to th e Wiper/Wash er Swit ch Volt a ge Ch a r t in Ch a r t s a n d Gr a ph s t o ver ify
corr ect wiper swit ch volt a ge sign a ls to t he Ra in Sen sor Modu le wh en t h e wiper
swit ch is a dju st ed t o ea ch of t h e four posit ion s.
Do volt a ge r ea din gs a t t h e RSM conn ect or cor r espon d corr ect ly t o volt a ges specified
in th e cha r t ?
All
Ye s → Go To 11
No → Refer to th e Ra in Sen sor /Wiper Syst em Sch em a t ic in Ch a rt s an d
Gr a ph s t o dia gn ose ba se wiper system pr oblem wit h th e cir cu it (s)
th a t did n ot ha ve t he cor r ect corr espon din g volta ge to t h e cha r t .
11 Tur n th e ign it ion off.
Discon n ect t he wiper mot or ha r n ess con n ector.
Usin g a 12-volt t est ligh t con nect ed t o 12-volt s, ch eck t h e Gr ou n d cir cu it a t t he Wiper
Mot or h a r n ess con n ect or.
Does t h e test ligh t illu min a t e br igh t ly?
All
Ye s → Go To 12
No → Repa ir th e Wiper Mot or Gr ou n d cir cu it for a n open .
241
WI N DSH I ELD WI PER & WASH ER
CHECKIN G THE RAIN S EN SOR/WIP ER OP ERATION — Co nt in ued