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2 CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT
1. Disconnect electric throttle control actuator harness connector.
2. Turn ignition switch “ON”.
SEC054D
3. Check voltage between electric throttle control actuator terminal 1 and ground with CONSULT-II or tester.
PBIB0082E
Voltage: Approximately 5V
OK or NG
OK © GO TO 3.
NG © Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Check harness continuity between electric throttle control actuator terminal 5 and engine ground.
Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 5.
NG © GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
I Harness for open or short between electric throttle control actuator and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
DTC P0221 TP SENSOR
Diagnostic Procedure (Cont’d)
EC-294
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