TE S T ACTION AP PLICAB ILITY
3 Tur n th e ign it ion off.
Discon n ect t he Glow Plug Con t r ol Module ha r n ess con n ect or.
Usin g a 12-volt t est ligh t con n ect ed to gr ou n d, check t h e Ba t t er y Su pply cir cu it at th e
Glow Plu g Con t r ol Modu le ha r n ess conn ect or.
Does t h e test ligh t illu min a t e br igh t ly?
All
Ye s → Repla ce th e Glow Plu g Con t r ol Modu le.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Repa ir t h e Glow P lu g Con t r ol Modu le Ba t t er y Su pply cir cuit for
an open.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
4 WARN IN G: WHEN THE E N GIN E IS OP ERATIN G, D O N OT STAN D IN A
DIR ECT LIN E WITH THE FAN . D O N OT P UT YOU R HAN D S NEAR THE
P ULLEYS , B ELTS OR FAN . D O NOT WEAR LOOS E CLOTHIN G.
NOTE: The conditions that set the DTC are not present at this time. The
fo ll o wi n g l is t ma y h e l p i n id en t i fy ing the i n t e rmi tt e nt c o nd i ti o n .
Wit h t h e en gin e r u n n in g a t n or m a l oper a t in g t em per a t u r e, m onit or t h e DRB
pa r a m et er s rela ted t o t h e DTC while wiggling th e wir ing ha r n ess. Look for pa r a m -
et er va lu es t o ch a n ge a n d/or a DTC to set .
Review t h e DTC Wh en Monit or ed a n d Set Con dit ion s. If possible, t r y to du plica t e t h e
condit ion s u n der wh ich t h e DTC wa s set .
Refer t o a n y Tech n ica l Service Bu llet in s (TSB) t h a t m a y a pply.
Visu a lly in spect t h e rela t ed wirin g h a r n ess. Look for a n y ch a fed, pier ced, pin ched, or
pa r t ia lly br oken wir es.
Visu a lly in spect t h e r ela t ed wir ing h a r n ess conn ect or s. Look for br oken , ben t , pu sh ed
out , or cor r oded t er m in a ls.
Wer e an y of t h e above condit ion s pr esen t ?
All
Ye s → Repa ir a s n ecessa ry.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Test Com plet e.
172
DRI V EABI LI T Y - DI ESEL
P 2132-GLOW P LU G CON TROL MOD U LE CIRCU IT OP EN CIRCU IT —
Co n t in ued
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