Test requirement
- All fuses OK
See appropriate System Wiring Diagrams article
- VAG 1598/11 adapter cable and VAG 1598/12 connected to disconnected harness connectors of A/C Control Head -E87-.
Scheme 201
Scheme 202
- Select operating mode "Test instrument" on VAS 5051 Vehicle Diagnostic, Testing and Information System
- Select during the variable test steps the required test instrument types, by clicking the relevant button on VAS 5051 display.
Electrical tests (to be performed on A/C Control Head -E87-) overview
Note. A variety of information is sent via the CAN-bus comfort system, no electrical testing applies for this information, see READ MEASURING VALUE BLOCK (FUNCTION 08) .