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DTC P1128 THROTTLE CONTROL MOTOR
EC-753
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
2. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Disconnect electric throttle control actuator harness connector.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace.
3. CHECK THROTTLE CONTROL MOTOR
Refer to EC-753, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4. CHECK INTERMITTENT INCIDENT
Refer to EC-626, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness or connectors.
5. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-563, "
Throttle Valve Closed Position Learning" .
3. Perform EC-563, "
Idle Air Volume Learning" .
>> INSPECTION END
Component Inspection BBS001QF
THROTTLE CONTROL MOTOR
1. Disconnect electric throttle control actuator harness connector.
Electric throttle control
actuator terminal
ECM terminal Continuity
3
4 Should exist
5 Should not exist
6
4 Should not exist
5 Should exist
PBIB1992E
PBIB1971E
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