TE S T ACTION AP PLICAB ILITY
4 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 5
No → Repa ir th e F u sed B(+) cir cuit for high r esist a n ce.
Per for m ABS VE RIF ICATION TE ST - VER 1.
5 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 test ligh t con n ect ed t o 12-volt s, ch eck t h e CAB h a rn ess con n ect or
Gr ou n d cir cu its.
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 → Repla ce t h e Con t r oller Ant ilock Br a ke in a ccor da n ce wit h t h e
Ser vice In for m a t ion .
Per for m ABS VE RIF ICATION TE ST - VER 1.
No → Repa ir th e Gr oun d cir cuit for high r esist a n ce.
Per for m ABS VE RIF ICATION TE ST - VER 1.
6 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.
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.
78
BRAK ES (CAB)
SYS TEM U ND ERVOLTAGE — Co nt in ued
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