Intake Manifold Runner Position Sensor 2 -G512-, Checking

General Description

The engine Control Module -J623- Uses The Intake Manifold Runner Position Sensor 2 -G512- Signal 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 Charge Air.

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 Auto. Transmission, ensure Selector Lever position is in "P".
Vehicles with Man. Transmission, ensure Shifter Lever position is in "N" with 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 Runner Position Sensor 2 -G512-, CHECKING - 2 . -- NO: GATHER more information from customer about the complaint.
2	IGNITION: OFF. DISCONNECT: Intake Manifold Runner Position Sensor 2 -G512- harness connector. IGNITION: ON. CHECK: Intake Manifold Runner Position Sensor 2 -G512- harness connector terminals 1 to 3 for voltage. SPECIFIED VALUE: About 5.0 V. IGNITION: OFF. -- Was Value obtained?	-- YES: GO TO: Step 3 Intake Manifold Runner Position Sensor 2 -G512-, CHECKING - 3 . -- NO: GO TO: Step 4 Intake Manifold Runner Position Sensor 2 -G512-, CHECKING - 4 .
3	REMOVE: Engine Control Module -J623-. Refer to the appropriate service information. CHECK: Intake Manifold Runner Position Sensor 2 -G512- harness connector terminal 2 to the Engine Control Module -J623- harness connector T94 / 35 for resistance. SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω). -- Was Value obtained?	-- YES: REPLACE: Intake Manifold Runner Position Sensor 2 -G512-. Refer to the appropriate service information. GO TO: Step 5 Intake Manifold Runner Position Sensor 2 -G512-, 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 Runner Position Sensor 2 -G512-, CHECKING - 5 .
4	REMOVE: Engine Control Module -J623-. Refer to the appropriate service information. CHECK: Intake Manifold Runner Position Sensor 2 -G512- harness connector terminal 1 to the Engine Control Module -J623- harness connector T60 / 35 for resistance. CHECK: Intake Manifold Runner Position Sensor 2 -G512- 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 Runner Position Sensor 2 -G512-, 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 Runner Position Sensor 2 -G512-, CHECKING - 5 .
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