Defect Code 40
Defect code: 40, Left water valveExplanation: This defect code is stored when there is a short to ground, to plus or a break at the connector, black Pin 5.
Note: Defect cannot be detected in the area of the end positions for the temperature control wheel on the driver's side.
Effect of defect: If the defect is a current defect, the component is no longer activated.
Possible cause: Wire, operating unit or left water valve defective.
Troubleshooting: Check wire and repair or replace component as required.