Wiring and Component Testing Using VAG1598/31 Test Box

Wiring And Component Check With Test Box VAG 1598/31

NOTE:






- The test box VAG 1598/31 is designed in such a way to be connected simultaneously to the engine control module wiring harness and to the engine control module.
- This has the advantage that the electronic motor control system remains fully functional when the test box is connected (for example, for measuring signals when the engine is running).
- Whether the engine control module has to be connected to the test box or not is described in the respective test procedures.

- Switch ignition off.
- Remove engine control module







- Connect VAG 1598/31 test box to connectors of wiring harness.
- Connect Ground clamp on test box (not shown in illustration) to vehicle Ground.

NOTE: Whether or not the engine control module has to be connected to the test box is described in the respective test procedures.

CAUTION: To prevent damage to the electronic components, select appropriate measuring range before connecting the measuring cables and observe the test requirements.

NOTE:
After reinstalling the engine control module the following operations must be performed:
- Check Diagnostic Trouble Code (DTC) memory and erase, if necessary
- If DTC memory has been erased, generate readiness code again. Readiness Code, Generating