BOOST SENSOR INSPECTION [MZR-CD (RF Turbo)]

Note

• Perform the following test only when directed.

Visual Inspection

1. Inspect the boost sensor for damage and cracks.

• If not as specified, replace the boost sensor.

2. Inspect vacuum hose for improper routing, kinks or leakage.

• If there is any malfunction, repair or replace suspected hose.

Voltage Inspection

1. Turn the engine switch to ON.

2. Monitor the MAP PID using the WDS or equivalent.

• If not as specified, perform the "Circuit Open/Short Inspection".

- If there is no open/short circuit, replace the boost sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)])

0.6-1.0 V

3. Start the engine and warm up the engine completely.

4. Monitor the MAP PID using the WDS or equivalent at idle.

• If not as specified, perform the "Circuit Open/Short Inspection".

- If there is no open/short circuit, replace the boost sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)])

0.6-1.0 V

Circuit Open/Short Inspection

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

2. Disconnect the boost sensor connector.

3. Inspect for open/short circuit in the following wiring harnesses.

• If there is open/short circuit, repair or replace wiring harnesses.

Open circuit

• Boost sensor terminal A and PCM terminal 71

• Boost sensor terminal B and PCM terminal 52

• Boost sensor terminal C and PCM terminal 59

Short circuit

• Boost sensor terminal A and power supply

• Boost sensor terminal B and power supply

• Boost sensor terminal B and body ground

• Boost sensor terminal C and power supply

• Boost sensor terminal C and body ground