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. Whether or not engine control module has to be connected to test box is described in 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:
- Checking of Diagnostic Trouble Code (DTC) memory and erase, if necessary.
- If DTC memory has been erased, readiness code must be regenerated. Readiness Code, Generating