DR-2B Check MAP Sensor Circuit In SMEC

Complete Driveability Test 2, Step A before proceeding.

1. Connect diagnostic read-out tool to engine test connector, then disconnect MAP sensor connector.
2. Place system in Sensor Test Mode 08.
3. If display reads at least 4 volts, proceed to Test 2 step C.
4. If display reads zero volts, replace SMEC. Before replacing SMEC, ensure wire in terminal No. 1 of 60-way electrical connector is not shorted to ground.