## PGM-FI System

#### DTC Troubleshooting (cont'd)

11-93

17. Measure voltage between body ground and ECM/PCM connector terminals A3 and A2 individually.

ECM/PCM CONNECTOR A (31P)

Wire side of female terminals

Is there battery voltage?

YES | - Repair short to power in the wire between the ECM/PCM (A2,A3) and the PGM-FI main relay 1.
NO | - Replace the PGM-FI main relay 1.

DTC P1107: BARO Sensor Circuit Low Voltage

DTC P1108: BARO Sensor Circuit High Voltage

1. Reset the ECM/PCM (see page 11-4).
2. Turn the ignition switch ON (II).

Is DTC P1107 or P1108 indicated?

YES | - Substitute a known-good ECM/PCM and recheck (see page 11-6). If symptom/indication goes away, replace the original ECM/PCM.
NO | - Intermittent failure, system is OK at this time.