FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DC10 - Check Continuity of MAF SIG Circuit



- Key Off.

- MAF sensor disconnected.

- Breakout box installed, PCM disconnected.

- Measure resistance between MAF circuit at the MAF sensor vehicle harness connector and Test Pin 88 (MAF SIG) at the breakout box.

- Is resistance less than 5.0 ohms?

YES -- MAF SIG harness circuit to PCM is OK. Go to DC11. DC11 - Check PWR GND Circuit to MAF Sensor

NO -- SERVICE open in MAF SIG harness circuit. REMOVE breakout box. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes