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12 CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch “OFF”.
2. Disconnect electric throttle control actuator harness connector.
SEC054D
3. Disconnect ECM harness connector.
4. Check harness continuity between the following terminals.
Refer to Wiring Diagram.
MTBL1169
5. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 13.
NG © Repair or replace.
13 CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Remove the intake air duct.
2. Check if foreign matter is caught between the throttle valve and the housing.
SEC083D
OK or NG
OK © GO TO 14.
NG © Remove the foreign matter and clean the electric throttle control actuator inside.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Diagnostic Procedure (Cont’d)
EC-479
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