Using the SST (104 Pin Breakout Box)

1. Check the mass air flow sensor for damage and cracks.
2. Remove the PCM.




3. Connect the SST 104 Pin Breakout Box to the PCM as shown.
4. Tighten the connector bolt.

Tightening torque: 7.9-10.7 Nm (69.5-95.4 in.lbs.)

5. Measure the voltage at the PCM terminal 88 as shown in the table.




6. If not as specified, inspect the following.




(1) Harness continuity
- Between PCM terminal 88 and mass air flow sensor terminal E
- Between PCM terminal 36 and mass air flow sensor terminal D
- Between PCM terminal 76 and mass air flow sensor terminal C
- Between main relay terminal E and mass air flow sensor terminal B

(2) Terminal voltage
- Mass air flow sensor terminal B voltage:
Battery positive voltage
- Mass air flow sensor terminal C voltage:
Below 1.0 V

7. If the terminal voltage is correct and there is harness continuity, replace the mass air flow sensor.