Test Requirements
- The Mass Air Flow (MAF) Sensor -G70- fuse is OK.
- Battery voltage at least 12.5 volts.
- All electrical consumers such as, lights and rear window defroster, switched off.
- Vehicles with automatic transmission, shift selector lever into position "P" or "N".
- A/C switched off.
- Ground connections between engine/transmission/chassis OK.
- Coolant Temperature at least 55° C.
- Switch the ignition Off.