DR-18E Sensor Calibration MAP Sensor

This test must be performed with engine warm.

1. With diagnostic read-out tool connected to engine harness connector, tee a vacuum gauge into vacuum line at MAP sensor.
2. Start engine, then place system into Engine Running Test Mode 68.
3. If vacuum displayed on read-out tool is within two inches of that of gauge, proceed to Test 18 step G. DR-18G Charge Temperature Sensor
4. If vacuum displayed on read-out tool is not within one inch of that of gauge, proceed to Test 18 step F. DR-18F Sensor Calibration MAP Sensor