DC16 - Check MAF Circuit Output With Scan Tool
- Key Off.
- MAF sensor connected.
- Breakout box installed, PCM connected.
- Key On, engine running.
- Access MAF PID with a Scan Tool at idle.
- Is the MAF PID between 2.50 and 25.72 gm/sec. (0.34 and 1.96 volts)?
YES -- Go to DC17. DC17 - Verify MAF Circuit Input and Output
NO -- MAF SIG or MAF RTN is open in the PCM. REPLACE PCM. REMOVE breakout box. RECONNECT PCM. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes