Mazda Mazda6 - Boost Sensor Inspection

F2–78
CONTROL SYSTEM
BOOST SENSOR INSPECTION
A6E404013214201
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”.
MAP PID
2.1—2.5 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”.
MAP PID
2.1—2.5 V
Circuit Open/Short Inspection
1. Inspect for open/short circuit in the following
wiring harnesses.
• If there is open/short circuit, repair or replace
wiring harnesses.
Open circuit
• Power circuit
— Boost sensor terminal C and PCM terminal 90
• Signal circuit
— Boost sensor terminal B and PCM terminal 36
• GND circuit
— Boost sensor terminal A and PCM terminal 91
Short circuit
• Power circuit
— Boost sensor terminal C and PCM terminal 90 to GND
• Signal circuit
— Boost sensor terminal B and PCM terminal 36 to power circuit
— Boost sensor terminal B and PCM terminal 36 to GND
End Of Sie
BOOST SENSOR
HARNESS SIDE CONNECTOR
A
B
C
A6E40702048