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POWER SUPPLY AND GROUND CIRCUIT
EC-1527
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
14. CHECK ECM POWER SUPPLY CIRCUIT-V
Check voltage between ECM terminal 121 and ground with CON-
SULT-II or tester.
OK or NG
OK >> GO TO 16.
NG >> GO TO 15.
15. DETECT MALFUNCTIONING PART
Check the following.
● 20A fuse
● Harness connectors E116, M75 (LHD models)
● Harness connectors E105, M13 (RHD models)
● Harness for open or short between ECM and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
16. CHECK GROUND CONNECTIONS
Loosen and retighten ground screws on the body. Refer to EC-1067, "
Ground Inspection" .
OK or NG
OK >> GO TO 17.
NG >> Repair or replace ground connections.
Voltage: Battery voltage
MBIB0026E
PBIB2020E
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