DTC P0120 THROTTLE POSITION SENSOR; Diagnostic Procedure; Steps 1-2
EF & EC-7093prose procedureDiagnostic Procedure
CG10, CGA3
Step 1 — RETIGHTEN GROUND SCREWS
- 1Turn ignition switch "OFF".
- 2Loosen and retighten engine ground screws. (See NEF147A)
- 3→ GO TO 2.
Step 2 — CHECK POWER SUPPLY
- 1Disconnect throttle position sensor harness connector. (See NEF150A)
- 2Turn ignition switch "ON".
- 3Check voltage between terminal 1 and ground with CONSULT-II or tester. (See SEF658Z)
- 4Voltage: Approximately 5 V.
- 5OK or NG: - OK → GO TO 3. - NG → Repair harness or connectors.