EGR CONTROL SOLENOID VALVE INSPECTION [MZR-CD (RF Turbo)]

Note

• Perform the following inspection only when directed.

1. Remove the EGR control solenoid valve.

2. Inspect airflow between the ports under the following conditions.

• If not as specified, replace the EGR control solenoid valve.

• If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)

2. Inspect the following wiring harness for open or short (continuity check).

Open circuit

• If there is no continuity, the circuit is open. Repair or replace the harness.

- EGR control solenoid valve terminal A (harness-side) and PCM control relay terminal C (harness-side)

- EGR control solenoid valve terminal B (harness-side) and PCM terminal 77

Short circuit

• If there is continuity, the circuit is shorted. Repair or replace the harness.

- EGR control solenoid valve terminal B (harness-side) and GND

- EGR control solenoid valve terminal B (harness-side) and power supply