Intake Manifold Tuning Valve Position Sensor - G513-, Checking: Notes

General Description

The Engine Control Module -J623- Uses The Signal From The Intake Manifold Tuning Valve Position Sensor -G513- To Calculate A Correction Value For The Charge Air Pressure. Evaluation Of The Signal Gives Consideration To The Influence Of Temperature On The Density Of The Air Charge.

Special Tools And Workshop Equipment Required

Multimeter.
Wiring Diagram.
Scan Tool.

Test Requirements

Fuses OK.
Battery voltage OK.
Switch OFF all electrical and electronic accessories.
Vehicles with automatic transmission, ensure the selector lever position is in "P".
Vehicles with manual transmission, ensure the shifter lever position is in "N" with the parking brake applied.
Observe all safety precautions: SAFETY PRECAUTIONS .
View clean working conditions: CLEAN WORKING CONDITIONS .

Test Procedure

Step	Procedure	Result / Action to Take
1	PERFORM: Preliminary Check to verify the customers complaint. Refer to PRELIMINARY CHECK . -- Was Complaint verified?	-- YES: GO TO: Step 2 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 2 . -- NO: GATHER more information from customer about the complaint.
2	IGNITION: OFF. DISCONNECT: Intake Manifold Tuning Valve Position Sensor -G513- harness connector. IGNITION: ON. CHECK: Intake Manifold Tuning Valve Position Sensor -G513- harness connector terminals 1 to 3 for voltage. IGNITION: OFF. SPECIFIED VALUE: About 5.0 V. -- Was Value obtained?	-- YES: GO TO: Step 3 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 3 . -- NO: GO TO: Step 4 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 4 .
3	REMOVE: Engine Control Module -J623-. Refer to appropriate service information. CHECK: Intake Manifold Tuning Valve Position Sensor -G513- harness connector terminal 2 to the Engine Control Module -J623- harness connector T94 / 53 for resistance. SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω). -- Was Value obtained?	-- YES: REPLACE: Intake Manifold Tuning Valve Position Sensor -G513-. Refer to appropriate service information. GO TO: Step 5 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 5 . -- NO: PERFORM: Visual Inspection of wiring and component. CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals. REPAIR: Faulty wiring or connector. GO TO: Step 5 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 5 .
4	REMOVE: Engine Control Module -J623-. Refer to appropriate service information. CHECK: Intake Manifold Tuning Valve Position Sensor -G513- harness connector terminal 1 to the Engine Control Module -J623- harness connector T94 / 63 for resistance. CHECK: Intake Manifold Tuning Valve Position Sensor -G513- harness connector terminal 3 to the Engine Control Module -J623- harness connector T94 / 39 for resistance. SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω). -- Were Values obtained?	-- YES: GO TO: Step 5 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 5 . -- NO: PERFORM: Visual Inspection of wiring and component. CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals. REPAIR: Faulty wiring or connector. GO TO: Step 5 Intake Manifold Tuning Valve Position Sensor - G513-, CHECKING - 5 .
5	Refer To The Final Procedure Below;