Dodge Sprinter 2006 - Page 331

Symptom:
BRAKE PRESSURE SENSOR CIRCUIT
POSSIBLE CAUSES
BRAKE P RESSURE SE NSOR CIRCUIT INTE RMITTE NT DTC
BRAKE P RESSURE SE NSOR CIRCUIT SH ORT TO VOLTAGE
BRAKE P RESSURE SE NSOR CIRCUIT SH ORT TO GROUND
BRAKE P RESSURE SE NSOR CIRCUIT OP EN
BRAKE P RESSURE SE NSOR
ANTI-LOCK BRAKE CONTROLLE R
TE S T ACTION AP PLICAB ILITY
1 Tur n th e ign it ion off.
Tur n th e ign it ion on .
Wit h th e DRBIII", r ea d DTCs. Recor d DTC in for m a t ion .
NOTE: If a system undervoltage or overvoltage DTC is set along with this
DTC, diagnose the system voltage DTC first.
NOTE: Before continuing, make sure that the Brake Lamp switch is ad-
ju st e d c o rre ct ly a n d fu n c tio n in g p ro p e rly. Ad ju st or re p la c e th e s w i tc h a s
necessary in accordance with the Service Information.
Wit h th e DRBIII",eraseDTCs.
Roa d t est th e veh icle a nd per for m sever a l br a king ma n eu ver s.
Wit h th e DRBIII",readDTCs.
Does t h is DTC r eset ?
All
Ye s → Go To 2
No → Go To 6
2 Tur n th e ign it ion off.
Discon n ect t he Br a ke Pr essu r e Sen sor h a r n ess con n ect or.
Discon n ect t he CAB ha r n ess con n ect or.
Tur n th e ign it ion on .
Mea su r e th e volt a ge of th e Bra k e Pr essu r e Sen sor sign a l cir cu it .
Mea su r e th e volt a ge of th e Bra k e Pr essu r e Sen sor gr ou n d cir cu it .
Mea su r e th e volt a ge of th e Bra k e Pr essu r e Sen sor 5 volt su pply cir cu it .
Is t h er e volt a ge pr esen t on an y of th e cir cu it s?
All
Ye s → Repa ir t h e Br a ke Pr essu r e Sen sor cir cu it (s) for a sh or t t o volt a ge.
No → Go To 3
3 Tur n th e ign it ion off.
Discon n ect t he Br a ke Pr essu r e Sen sor h a r n ess con n ect or.
Discon n ect t he CAB ha r n ess con n ect or.
Mea su r e t h e resist a n ce bet ween gr ou n d a n d t h e Br a ke P ressu re Sen sor sign a l
cir cu it .
Mea su r e t h e resista n ce bet ween gr ou n d an d t h e Br a k e P r essu r e Sen sor 5 volt su pply
cir cu it .
Is t h e resista n ce below 5.0 ohm s for eit h er cir cuit ?
All
Ye s → Repa ir th e Bra k e Pr essu r e Sen sor cir cu it (s) for a sh or t t o gr ou nd.
No → Go To 4
15
BRAK ES (CAB)