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EC-132
[QR (WITH EURO-OBD)]
POWER SUPPLY AND GROUND CIRCUIT
10. CHECK ECM RELAY
Refer to EC-135, "
Component Inspection" .
OK or NG
OK >> Go to EC-443, "IGNITION SIGNAL" .
NG >> Replace ECM relay.
11. CHECK ECM POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON and then OFF.
3. Check voltage between ECM terminals 119, 120 and ground
with CONSULT-II or tester.
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.
12. CHECK ECM POWER SUPPLY CIRCUIT-IV
1. Disconnect ECM relay.
2. Check voltage between ECM relay terminal 3 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
Voltage: After turning ignition switch OFF, battery
voltage will exist for a few seconds, then
drop approximately 0V.
PBIB1630E
PBIB1973E
Voltage: Battery voltage
SEF860T
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