Test Box, Connecting For Wiring Testing

Test Box, Connecting For Wiring And Component Test

Recommended Special Tools And Equipment







- VAG1598/31 test box

Procedure
- Switch ignition off.







- Pull off rubber seal of plenum chamber cover in direction of arrow.
- Remove cover -1- toward front.







- Remove cover for E-box, plenum chamber (arrows).







- Using a screwdriver, carefully pry off retaining bracket (arrow).







- Disengage connector catches (arrows) and disconnect harness connectors -1- and -2- from control module.

NOTE: Adaptation values are erased when connector is disconnected from the Engine Control Module (ECM), DTC memory content remains intact.







- Connect e.g. VAG1598/31 test box to connectors of wiring harness. Connect Ground (GND) clip at test box (not visible in illustration) to Ground (GND). Relevant test procedures note whether Engine Control Module (ECM) should also be connected to the test box.

CAUTION: To avoid damaging electronic components, set measuring range before connecting test leads and observe all test requirements.

Assembling
Assembly is performed in the reverse order of removal, noting the following:

Final procedures
After connecting harness connectors to Engine Control Module (ECM), the following work steps must be performed in the mentioned sequence:
1 Check DTC memory "Mode 3: Check DTC memory". Diagnostic Mode 3: Check DTC Memory
2 If necessary, erase DTC memory "Mode 4: Reset/erase diagnostic data". Diagnostic Mode 4: Reset/Erase Diagnostic Data
3 If DTC memory was erased, generate readiness code. Readiness Code, Generating

- End diagnosis and switch ignition off.