Symptom:
P 2606-CMP /CKP S YN CHRON IZATION ERROR
POSSIBLE CAUSES
CAMSH AF T POSITION SE NSOR SIGNAL P ROBLE M
CRANKSH AFT POSITION SE N SOR SIGNAL P ROBLE M
DAMAGE D CKP SE NSOR
DAMAGE D CMP SE NSOR OR CAMSHAF T
ENGINE CONTROL MODULE
GE AR ALIGN ME NT PROBLE M
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 DRBIII",erasetheECMDTCs.
Att em pt to st a r t th e en gin e.
Wit h th e DRBIII",readtheECMDTCs.
Does t h e DRB III displa y t h is DTC?
All
Ye s → Go To 3
No → Go To 2
2 Tur n th e ign it ion on .
Wit h th e DRBIII",erasetheECMDTCs.
Test drive th e veh icle.
Wit h th e DRBIII",readtheECMDTCs.
Does t h e DRB III displa y t h is DTC?
All
Ye s → Go To 3
No → Go To 8
3 Refer t o t h e Service In form a t ion t o en su re th e E n gin e Dr ive Gea r s/Spr ocket ar e
in st a lled cor rect ly a n d t he ca m sh a ft a n d cra n k sh a ft gea r s a r e t im ed cor r ect ly.
Tur n th e ign it ion off.
Rem ove t h e CMP Sen sor.
In spect t h e CMP Sen sor for con dit ion s su ch a s loose mou n t in g scr ews, da m age or
debr is, a lso check th e cam sh a ft for cra cked t eet h .
Is t h er e an y eviden ce of t h ese condit ion s?
All
Ye s → Repa ir a s n ecessa ry.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 4
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DRI V EABI LI T Y - DI ESEL