Symptom List:
P 2104-S TARTER RELAY CIRCUIT S HORT CIRCU IT
P 2152-S TARTER RELAY CIRCUIT S HORT TO GROUN D
P 2153-S TARTER RELAY CIRCU IT OP EN OR S HORTED TO VOLT-
AGE
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 sts w ill be P 2104-S TARTER RELAY CIR-
CU IT S H ORT CIRCU IT.
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
P 2104-S TAR TER RELAY CIRCUIT S HORT CIR CU IT
Wh en Mon it or ed: Du r ing engin e cra n k at t em pt .
Set Condit ion : Th e E CM det ect s t oo m uch cu r ren t on t h e St a r ter Mot or Rela y Con t rol
cir cuit .
POSSIBLE CAUSES
CH E CKIN G TH E E NGIN E CONTROL RE LAY S YSTE M
INTERMITTENT CONDITION
SU BSTITUTE STARTE R RELAY
STARTE R RE LAY CONTROL CIRCUIT SH ORTE D TO GROUND
STARTE R RE LAY CONTROL CIRCUIT SH ORTE D TO VOLTAGE
ENGINE CONTROL MODULE
STARTE R RE LAY CONTROL CIRCUIT OP E N
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.
Att em pt t o st a r t t h e en gin e sever a l tim es, pau sin g for a t lea st 10 secon ds bet ween
ea ch cycle.
Tur n th e ign it ion on .
Wit h th e DRB, r ea d E CM DTCs.
Did t h is DTC set a ga in ?
All
Ye s → Go To 2
No → Go To 8
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DRI V EABI LI T Y - DI ESEL