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Diagnosis Procedure
1.CHECK INTAKE SENSOR SIGNAL
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Check voltage between A/C amp. harness connector.
    A/C amp.Voltage
    ConnectorTerminal
    +-
    M542326
Is the inspection result normal?
Replace A/C amp. Refer to Removal and Installation.
.
 
2.CHECK INTAKE SENSOR POWER SUPPLY
  1. Turn the electric motor switch OFF.
  2. Disconnect intake sensor connector.
  3. Turn the electric motor switch ON.
  4. Check voltage between intake sensor harness connector and ground.
    +-Voltage
    (Approx.)
    Intake sensor
    ConnectorTerminal
    M1351Ground5 V
Is the inspection result normal?
.
.
 
3.CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN
  1. Turn the electric motor switch OFF.
  2. Disconnect A/C amp. connector.
  3. Check continuity between intake sensor harness connector and A/C amp. harness connector.
    Intake sensorA/C amp.Continuity
    ConnectorTerminalConnectorTerminal
    M1352M5426Existed
Is the inspection result normal?
.
Repair harness or connector.
 
4.CHECK INTAKE SENSOR
Check intake sensor. Refer to Component Inspection.
Is the inspection result normal?
Replace A/C amp. Refer to Removal and Installation.
Replace intake sensor. Refer to Component Inspection.
 
5.CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
  1. Turn the electric motor switch OFF.
  2. Disconnect A/C amp. connector.
  3. Check continuity between intake sensor harness connector and A/C amp. harness connector.
    Intake sensorA/C amp.Continuity
    ConnectorTerminalConnectorTerminal
    M1351M5423Existed
Is the inspection result normal?
.
Repair harness or connector.
 
6.CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check voltage between intake sensor harness connector and ground.
+-Voltage
(Approx.)
Intake sensor
ConnectorTerminal
M1351Ground0 V
Is the inspection result normal?
Replace A/C amp. Refer to Removal and Installation.
Repair harness or connector.