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4 CHECK COMPONENTS
Check the following.
I Accelerator pedal position sensor (Refer to “Component Inspection”, EC-309.)
I Mass air flow sensor (Refer to “Diagnostic Procedure”, EC-192.)
I EVAP control system pressure sensor (Refer to “Diagnostic Procedure”, EC-393.)
I Power steering pressure sensor (Refer to “Component Inspection”, EC-454.)
I Refrigerant pressure sensor (Refer to “Diagnostic Procedure”, EC-726.)
OK or NG
OK © GO TO 7.
NG © Replace malfunctioning component.
5 CHECK THROTTLE POSITION SENSOR
Refer to “Component Inspection”, EC-295.
OK or NG
OK © GO TO 7.
NG © GO TO 6.
6 REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Perform “Throttle valve closed position learning”, EC-71.
3. Perform “Idle air volume learning”, EC-71.
© INSPECTION END
7 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
© INSPECTION END
DTC P1229 SENSOR POWER SUPPLY
Diagnostic Procedure (Cont’d)
EC-572
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