Check reference signal

-- Remove the Engine Control Module - J623 -.

-- Using a Multimeter, Check the Mass Air Flow (MAF) Sensor -G70- electrical harness connector to the Engine Control Module - J623 - electrical harness connector T94 for an open circuit.

Specified value: 1.5 Ω Max.

If the specified value was Not obtained: 

-- Check the wiring connection for an open circuit or short circuit.

-- Check the wiring connection for damage, corrosion, loose or broken terminals.

-- If necessary, repair the faulty wiring connection.

If the specified value was obtained: 

-- Replace the Mass Air Flow (MAF) Sensor -G70-.

Final procedures 

After the repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
2. If necessary, erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
3. If the DTC memory was erased, generate readiness code. Refer to READINESS CODE .