Intake Manifold Runner Position Sensor -G336-, Checking
General Description
The Intake Manifold Runner Position Sensor -G336- monitors the position of the intake manifold runner flaps. These flaps can be adjusted open or closed to provide longer or shorter intake runners depending on ambient conditions to increase engine efficiency.
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.
- 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:
-- NO:
- GATHER more information from customer about the complaint.
|
| 2 |
- IGNITION: OFF.
- DISCONNECT: Intake Manifold Runner Position Sensor -G336- harness connector.
- IGNITION: ON.
- CHECK: Intake Manifold Runner Position Sensor -G336- harness connector terminals 1 to 3 for voltage.
- SPECIFIED VALUE: About 5.0 V.
- IGNITION: OFF.
-- Was Value obtained? |
-- YES:
-- NO:
|
| 3 |
- REMOVE: Engine Control Module - J623-. Refer to appropriate repair information.
- CHECK: Intake Manifold Runner Position Sensor -G336- harness connector terminal 2 to the Engine Control Module - J623- harness connector T94 / 13 for resistance.
- SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Was Value obtained? |
-- YES:
- REPLACE: Intake Manifold Runner Position Sensor -G336-. Refer to appropriate repair information.
- GO TO: Step 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
|
| 4 |
- REMOVE: Engine Control Module - J623-. Refer to appropriate repair information.
- CHECK: Intake Manifold Runner Position Sensor -G336- harness connector terminal 1 to the Engine Control Module - J623- harness connector T60 / 35 for resistance.
- CHECK: Intake Manifold Runner Position Sensor -G336- 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:
-- 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
|
| 5 |
- 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.
- Clear the DTC's. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY
.
- Repair is complete. Generate Readiness Code. Refer to READINESS CODE
.
- Return vehicle to Customer.
- If all electrical connections are OK:
- REPLACE: Engine Control Module -J623-. Refer to appropriate repair information.
- 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.
|
General Description
The intake manifold runner valve(s) are mounted on a common shaft and actuated by a vacuum cell. The partial vacuum required for actuation is supplied by the Intake Manifold Runner Control Valve -N316-. The Engine Control Module -J623- activates the Intake Manifold Runner Control Valve -N316- on the basis of a characteristic map.
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:
-- NO:
- GATHER more information from customer about the complaint.
|
| 2 |
- IGNITION: OFF.
- DISCONNECT: Intake Manifold Runner Control Valve -N316- harness connector.
- CHECK: Intake Manifold Runner Control Valve -N316- component connector terminals 1 to 2 for resistance.
- SPECIFIED VALUE: 12 - 20 Ω (@ approx. 20° C).
-- Was Value obtained? |
-- YES:
-- NO:
- REPLACE: Intake Manifold Runner Control Valve -N316-. Refer to appropriate repair information.
- GO TO: Step 5
|
| 3 |
- IGNITION: ON.
- CHECK: Intake Manifold Runner Control Valve -N316- harness connector terminal 2 to ground for voltage.
- IGNITION: OFF.
- SPECIFIED VALUE: Battery voltage.
-- Was Value obtained? |
-- YES:
-- 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
|
| 4 |
- REMOVE: Engine Control Module - J623-. Refer to appropriate repair information.
- CHECK: Intake Manifold Runner Control Valve -N316- harness connector terminal 1 to the Engine Control Module - J623- harness connector T60 / 36 for resistance.
- SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Was Value obtained? |
-- YES:
-- 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
|
| 5 |
- 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.
- Clear the DTC's. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY
.
- Repair is complete. Generate Readiness Code. Refer to READINESS CODE
.
- Return vehicle to Customer.
- If all electrical connections are OK:
- REPLACE: Engine Control Module -J623-. Refer to appropriate repair information.
- 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.
|