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- Refer to Data List Reference Table
.
- Item 172: A/C pressure sensor (voltage)
- Item 175: A/C pressure sensor (pressure)
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Q.
Are the check results normal?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal ACP5&BVS5 line and earth.
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Q.
Is the check result normal?
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- Measure engine-ECU terminal voltage.
- Disconnect A/C pressure sensor connector.
- Ignition switch: ON
- Voltage between terminal ACP5&BVS5 and earth.
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Q.
Is the check result normal?
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Check of open circuit in ACP5&BVS5 line between A/C pressure sensor connector and engine-ECU connector.
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Q.
Are the check results normal?
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Repair the connector(s) or wiring harness.
|
|
|
|
- Refer to Data List Reference Table
.
- Item 172: A/C pressure sensor (voltage)
- Item 175: A/C pressure sensor (pressure)
|
|
Q.
Are the check results normal?
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
|
|
|
|
- Use special tool test harness (MB991348) to connect connector, and measure at pick-up harness.
- Ignition switch: ON
- Voltage between terminal ACP5&BVS5 line and earth.
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|
Q.
Is the check result normal?
|
|
Repair or replace the connector(s), or check and repair the harness of damage in ACP5&BVS5 line between A/C pressure sensor connector and engine-ECU connector.
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|
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|
- Use special tool test harness (MB991348) to connect connector, and measure at pick-up harness.
- Engine: Running at idle.
- Perform the simple inspection for the A/C pressure sensor (Refer to GROUP 55A - On-vehicle Service - Simple Inspection of A/C Pressure Sensor
).
- Voltage between terminal AC/P line and earth.
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OK: Relationship between the manometer indication and the output voltage should comply with the graph.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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|
Replace the A/C pressure sensor.
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|
Repair the connector(s) or wiring harness.
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|
|
|
- Measure engine-ECU terminal voltage.
- Engine: Running at idle.
- Perform the simple inspection for the A/C pressure sensor (Refer to GROUP 55A - On-vehicle Service - Simple Inspection of A/C Pressure Sensor
).
- Voltage between terminal code AC/P and earth.
|
|
OK: Relationship between the manometer indication and the output voltage should comply with the graph.
|
|
Q.
Is the check result normal?
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|
Repair or replace the connector(s), or check and repair the harness of open circuit, and damage in AC/P line between A/C pressure sensor connector and engine-ECU connector.
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