Symptom:
P 1611-S EN S OR SU P P LY 1 VOLTAGE IS TOO HIGH
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
P 1611-S EN S OR S UP P LY 1 VOLTAGE IS TOO HIGH
Wh en Mon it or ed: Wit h t h e ign it ion on .
Set Condit ion : Th e E CM det ect s a sh ort t o volt a ge on t h e APP Sen sor 5-volt Su pply
cir cuit or t h e CMP Sen sor 5-volt Su pply cir cuit .
POSSIBLE CAUSES
VISUAL WIRIN G AN D CON NE CTOR INSP E CTION
INTERMITTENT CONDITION
SE NSOR SUP P LY 1 SH ORTE D TO VOLTAGE
ENGINE CONTROL MODULE
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.
Star t t he engine.
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 off.
Visu a lly in spect t h e wir in g a n d conn ect or s a ssocia t ed wit h th e APP a n d CMP Sen sor s
for pr oblem s t ha t m a y r esult in a sh or t cir cu it .
Wer e an y pr oblem s fou n d?
All
Ye s → Repa ir or repla ce wirin g/con n ect ors a s n ecessa r y.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 3
94
DRI V EABI LI T Y - DI ESEL