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EC-304
[QR (WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Diagnostic Procedure BBS001FO
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Refer to EC-135, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
2. CHECK THROTTLE CONTROL MOTOR RELAY SIGNAL CIRCUIT
Check voltage between ECM terminal 3 and ground under the fol-
lowing conditions with CONSULT-II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 3.
PBIB2021E
Ignition switch Voltage
OFF Approximately 0V
ON
Battery voltage
(11 - 14V)
MBIB0028E
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