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9 CHECK ECM POWER SUPPLY CIRCUIT-II
1. Stop engine.
2. Check voltage between ECM terminal 67 and ground with CONSULT-II or tester.
SEF293X
OK or NG
OK © GO TO 11.
NG © GO TO 10.
10 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors E15, F18
I Harness for open or short between ECM and fuse
© Repair harness or connectors.
11 CHECK ECM POWER SUPPLY CIRCUIT-III
1. Turn ignition switch “ON” and then “OFF”.
2. Check voltage between ECM terminals 110, 112 and ground with CONSULT-II or tester.
SEF294X
OK or NG
OK © GO TO 17.
NG (Battery voltage
does not exist.)
© GO TO 12.
NG (Battery voltage
exists for more than a
few seconds.)
© GO TO 14.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS FOR POWER SUPPLY
Main Power Supply and Ground Circuit (Cont’d)
EC-149
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