Variable Intake Manifold Runner Motor -V183-, CHECKING (2007 - 2008 MY ONLY)

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

General Description

NOTE:

The Variable Intake Manifold Runner Motor -V183- was used through May 2008 (as per the wiring diagram) and was replaced by the Intake Manifold Tuning Valve -N156- from June 2008.

The Variable Intake Manifold Runner Motor -V183- is controlled by the Engine Control Module - J623- to increase the EGR rate by reducing the overpressure in the intake manifold.

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 Manual Transmission, ensure Shifter Lever position is in "N" with Parking Brake applied.
Coolant Temperature: ≥ 80° C.
Observe all safety precautions: SAFETY PRECAUTIONS .
View clean working conditions: CLEAN WORKING CONDITIONS .
For Hybrid vehicles refer to: HIGH VOLTAGE SYSTEM GENERAL WARNINGS .

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 -- NO: GATHER more Information from customer about the complaint.
2	IGNITION: OFF. REMOVE: Variable Intake Manifold Runner Motor -V183- far enough so that the harness connector terminals are accessible. DISCONNECT: Variable Intake Manifold Runner Motor -V183- harness connector. IGNITION: ON. CHECK: Variable Intake Manifold Runner Motor -V183- harness connector terminals 1 to 3 for voltage. IGNITION: OFF. SPECIFIED VALUE: Battery voltage. -- Was Value obtained?	-- YES: GO TO: Step 3 -- 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 4
3	REMOVE: Engine Control Module - J623-. Refer to appropriate repair information. CHECK: Variable Intake Manifold Runner Motor -V183- harness connector terminal 2 to the Engine Control Module - J623- harness connector T60 / 49 for resistance. SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω) -- Were Values obtained?	-- YES: REPLACE: Variable Intake Manifold Runner Motor -V183-. Refer to appropriate repair information. GO TO: Step 4 -- 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 4
4	Final Procedure Perform a road test to verify repair. -- Does the original DTC return?	-- YES: CHECK: Engine Control Module -J623- harness connector for any damaged, pushed-out pins. REPAIR: As necessary. If all electrical connections are OK: REPLACE: Engine Control Module -J623-. Refer to appropriate repair information. Clear the DTCs. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY . Repair is complete. Generate Readiness Code. Refer to READINESS CODE . Return vehicle to Customer. -- NO: Perform the diagnostic procedure for any DTC's. If no DTC's return, the repair is complete. Return vehicle to customer.