TE S T ACTION AP PLICAB ILITY
3 Th e con dit ion s necessar y to set th is DTC a re n ot pr esen t a t th is t ime.
Mon it or DRBIII" par am eters while wiggle testing t he related wiring h ar ness an d
conn ect or s.
Tur n th e ign it ion off.
Visu a lly in spect t h e rela t ed wir in g ha r n ess a n d con n ect or s.
Look for an y ch a fed, pier ced, pin ch ed, or pa r t ia lly br oken wir es.
Look for br oken , ben t , pu sh ed ou t , or cor r oded t er m in a ls.
Wer e an y pr oblem s fou n d?
All
Ye s → Repa ir a s n ecessa ry.
Per for m ABS VE RIF ICATION TE ST - VER 1.
No → Test Com plet e.
4 Tur n th e ign it ion off.
Discon n ect t he CAB ha r n ess con n ect or.
In spect t h e CAB/CAB ha r n ess con n ect or for da m a ge.
Is t h er e an y br oken , ben t , pu sh ed ou t , corr oded or sprea d t er m in a ls?
All
Ye s → Repa ir a s n ecessa ry.
Per for m ABS VE RIF ICATION TE ST - VER 1.
No → Go To 5
5 Tur n th e ign it ion off.
Discon n ect t he CAB ha r n ess con n ect or.
Tur n th e ign it ion on .
Usin g a 12-volt test ligh t conn ect ed t o gr ou n d, ch eck t h e F u sed Opt ion a l E qu ipm en t
Rela y Ou t pu t cir cu it a t th e CAB ha r n ess con n ect or.
NOTE: Th e t e s t lig h t m u s t illu m in a t e b rig h tly. Co m p are th e brig h tn e ss to
th a t of a dire c t co n n e cti o n to th e ba tte ry.
Does t h e test ligh t illu min a t e br igh t ly?
All
Ye s → Go To 6
No → Repa ir th e F u sed Opt ion a l E qu ipm en t Relay Ou t pu t cir cu it for a n
open .
Per for m ABS VE RIF ICATION TE ST - VER 1.
6 Tur n th e ign it ion off.
Discon n ect t he CAB ha r n ess con n ect or.
Usin g a 12-volt t est ligh t conn ected to gr ou n d, check bot h F used B(+) circu it s a t t h e
CAB h a r n ess con n ect or.
NOTE: Th e t e s t lig h t m u s t illu m in a t e b rig h tly. Co m p are th e brig h tn e ss to
th a t of a dire c t co n n e cti o n to th e ba tte ry.
Does t h e test ligh t illu min a t e br igh t ly?
All
Ye s → Go To 7
No → Repa ir th e F u sed B(+) cir cuit for an open .
Per for m ABS VE RIF ICATION TE ST - VER 1.
58
BRAK ES (CAB)
PUMP MOTOR — Co nt in ued