Troubleshooting Notes

Digital Climate Control (Climatronic), Troubleshooting


NOTE:
- The Climatronic is equipped with On Board Diagnostic (OBD) capabilities. Always check DTC memory with VAG 1551 Scan Tool (ST) function 02 and rectify all indicated malfunctions Testing and Inspection
- In addition, carry out "Output Diagnostic Test Mode (DTM)" and "Read Measuring Value Block" function 08 Testing and Inspection
Refer to "Scan Tool Testing/Output Diagnostic Test Mode (DTM) (Function 03)" Testing and Inspection
Refer to "Scan Tool Testing/Measuring Value Blocks/Measuring Value Blocks Testing and Inspection
- The following information applies only when the customer's symptom description has been verified and no DTCs are stored in memory.
- Before replacing components, always test the relevant positive and Ground connections as well as all harness connectors and wiring between the component indicated to be malfunction and the Climatronic control module. Refer to the wiring diagram.
- After performing repairs, DTC memory should always be checked again and if necessary, erased with VAG 1551 Scan Tool.