TE S T ACTION AP PLICAB ILITY
2 NOTE: If DTC P1611, P2306 or P2332 is present with this DTC, diagnose
DTCs P1611, P2306 or P2332 before diagnosing this DTC.
NOTE: Check the ECM for other ECM DTC’s related to circuits that are
open, shorted to ground or low voltage problems.
Does t h e DRB a lso displa y t h ese type of DTC’s?
All
Ye s → Go To 3
No → Go To 4
3 Tur n th e ign it ion off.
Discon n ect t he E CM ha r n ess con n ect or s.
Tur n th e ign it ion on .
Con n ect a ju mper wir e bet ween gr ou n d a n d t h e E n gin e Con t r ol Rela y Sign al circu it
in ECM C2 h a r ness con n ect or cavit y 44.
Usin g a 12-volt test ligh t con n ect ed to grou n d, ch eck th e Fu sed En gin e Con t r ol Rela y
Ou t pu t cir cuit s a t th e ECM C2 h a rn ess con n ect or cavit ies 1, 3 an d 5.
Does t h e test ligh t illu min a t e br igh t ly for ea ch circu it?
All
Ye s → Go To 4
No → Refer to sym pt om list a nd per for m Ch eckin g th e E CM Power an d
Gr ou n ds.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
4 Tur n th e ign it ion off.
In st all a su bst it u t e r ela y in pla ce of t h e St a rt er Rela y.
Tur n th e ign it ion on .
Wit h th e DRBIII",eraseDTCs.
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 5
No → Repla ce th e St a r t er Rela y.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
5 Tur n th e ign it ion off.
Rem ove t h e St a r t er Rela y.
Discon n ect t he E CM ha r n ess con n ect or s.
Mea su r e th e resista n ce of t h e St ar t er Rela y Con t r ol cir cu it .
Is t h e resista n ce below 10.0 ohm s?
All
Ye s → Go To 6
No → Repa ir th e St a r t er Rela y Con t rol cir cu it for a n open .
Per for m ROAD TE ST VE RIF ICATION - VER-2.
6 Tur n th e ign it ion off.
Rem ove t h e St a r t er Rela y.
Discon n ect t he E CM ha r n ess con n ect or s.
Mea su r e th e resista n ce between gr ou n d a n d t h e St a r t er Rela y Con t r ol cir cu it .
Is t h e resista n ce a bove 1000 ohm s?
All
Ye s → Go To 7
No → Repa ir th e St a r t er Rela y Con t rol cir cu it for a sh ort t o gr ou n d.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
162
DRI V EABI LI T Y - DI ESEL
P 2104-S TARTER RELAY CIRCUIT S HORT CIRCU IT — Co nt in ued