EGR Control Solenoid: Testing and Inspection
1. REMOVE V-BANK COVER AND EMISSION CONTROL VALVE SET.
2. REMOVE VSV.
- Remove the filter.
- Disconnect the 2 vacuum hoses from the VSV.
- Remove the screw and VSV.
3. INSPECT VSV
INSPECT VSV FOR OPEN CIRCUIT.
- Using an ohmmeter, check that there is continuity between the terminals.
Resistance:At 20° (68°F): 33 - 39 Ohms
- If there is no continuity, replace the VSV.
INSPECT VSV FOR GROUND.
- Using an ohmmeter, check that there is no continuity between each terminal and the body.
- If there is continuity, replace the VSV.
INSPECT VSV OPERATION.
- Check that air flows from port E to port G.
- Apply battery positive voltage across the terminals.
- Check that air flows from port E to the filter.
- If operation is not as specified, replace the VSV.
4. REINSTALL VSV.
- Install the VSV with the screw.
- Connect the 2 vacuum hoses to the VSV.
- Install the filter.
5. REINSTALL EMISSION CONTROL VALVE SET.
6. REINSTALL V-BANK COVER.
See also: Refer to the Trouble Code Chart for DTC P0401 and P0402, under the "Diagnostic Charts".