Checking Components and Wiring

Checking Components And Wiring







- Ignition off
- Disconnect the engine control module (ECM).

Check the signal cable. Check for a short-circuit to supply voltage. Check the signal cable with regard to open circuit.

Measure between control module terminal #A66 (#B6) and mass air flow sensor terminal #4.

Read the air temperature by clicking the VCT2000 symbol.

Remedy as necessary.

Other Information
- Connecting the breakout box
- Signal specification, engine control module (ECM)
- Mass air flow (MAF) sensor, replacing
- Checking wiring and terminals

Continue: Refer to Verification. Verification