Symptom List:
P 1630-IMMOB ILIZER
P 1630-IMMOB ILIZER
P 1630-IMMOB ILIZER
P 1630-IMMOB ILIZER
P 2201-IMMOB ILIZER CAN MES S AGE ERROR
P 2243-N O MES S AGE RECEIVED F ROM S KREEM
Te s t N o t e : Al l s y m p t o m s l i s t e d a b o v e a r e d i a g n o s e d u s i n g t h e s a m e t e s t s .
Th e title fo r th e te s ts w ill be P 1630-IMMOBILIZER.
POSSIBLE CAUSES
CH E CKIN G SKRE E M DTC’S
OP E N CAN BUS CIRCUITS
SKREE M MODULE
INTERMITTENT CONDITION
TE S T ACTION AP PLICAB ILITY
1 NOTE: If the ECM detects and stores a DTC, the ECM also stores the
e n gi n e /ve h ic le o p e ra ti n g c o n d i tio n s u n d e r w h ic h th e D TC w a s s e t. S o m e o f
these conditions are displayed on the DRB at the same time the DTC is
displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to
duplicate these conditions may assist when checking for an active DTC.
Tur n th e ign it ion on .
Wit h th e DRB, er a se E CM DTCs.
Tur n th e ign it ion off for 10 secon ds.
Tur n th e ign it ion on .
Mon it or th e DRB for ECM DTCs.
Did t h is DTC set a ga in ?
All
Ye s → Go To 2
No → Go To 4
2 Tur n th e ign it ion on .
Wit h th e DRBIII", a t t em pt t o com m u n ica t e wit h th e SKRE E M an d r ea d SKRE EM
DTCs.
NOTE: If the DRB is unable to communicate with the SKREEM, refer to the
appropriate test in the Communication category
Are t h ere a n y SKRE E M DTC’s?
All
Ye s → Repa ir SKRE E M DTC’s a s n ecessa r y.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 3
102
DRI V EABI LI T Y - DI ESEL