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The scan tool indicates Diagnostic Trouble Code (DTC) P1298: A high voltage problem in the Electrical Load
Detector (ELD) circuit.
ELD 3P CONNECTOR {C218}
_ r J
,
1 1 2 3 l
-f-dnD
Wire side of female terminals
ECM CONNECTORS
{BLKI
Wire side of female termin6ls
EL {GRN/REDI
ECM CONNECTOR D (16PI
P.oblem verification:
l
Do the ECM Reset Procedure.
2. Start the engine.
3. Turn on headlights.
lntermittent failure, 3vstem is OK
el ihis time. Chock for ooor con-
nections or loose wiros at C218
(EtD) and ECM.
ls DTC P1298 indicated?
Check lor an open in the wire
(GNO linel:
1 . T u r n t h e i g n i t i o n s w i t c h a n d
headlights OFF.
2 . D i s c o n n e c t t h e E L D 3 P c o n -
nector.
3. Check for continuity between
body ground and the ELD 3P
connector terminal No. 2.
Bepair opon in the wire bstween
ELO connector and G402.
Check tor an opon in the wire IEL
linell
1. Disconnect the ECM connec-
tor D (l6Pi.
2. Check for continuity between
the ELD 3P connector terminal
No. 3 and ECM connector ter
minal D16.
Repair open in the wir€ between
ECM l016l and rhe ELD.
ls there continuity?
Check for a malfunction in the
ELD:
1. Reconnect the ELD 3P connec-
tor and ECM connector D (16P).
2. Start the engine and allow it
to idle.
3 . W h i l e m e a s u r i n g v o l t a g e
between ECM connector ter
m i n a l s D 1 6 a n d A 9 , t u r n t h e
headlights on {low).
Sub3titute a knownjgood ECM
and rechock. lf 3vmptom/indics-
tion 9oe6 away, replace the origi
nal ECM.
A l32Pt
IBRN/BI-KI
Wire side of female ierminals
1 1 - 8 9
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Troubleshooting
