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component check at the end of the section. Is air conditioning clutch relay H401 OK? GO to E28 . No RENEW air conditioning clutch relay H401. CHECK E28: CHECK THE VOLTAGE AT THE REFRIGERANT PRESSURE TRANSDUCER Disconnect Connector C1H433 from the refrigerant 1 Ignition switch in position II. 2 Measure the voltage between the refrigerant circuit VH442B (GN/BN), wiring harness side and 3 Is a voltage of approx. 5 volts measured? GO to E29 . No - Vehicles with a 1.8L diesel engine: GO to E39 . - Vehicles with a 2.0L diesel engine: GO to E42 . - Vehicles with a 2.0L engine: GO to E45 . - Vehicles with a 2.5L engine GO to E48 . E29: CHECK THE CONTROL VOLTAGE AT THE REFRIGERANT PRESSURE TRANSDUCER Measure the voltage between the refrigerant circuit LH108B (GY/BN), wiring harness side and 1 Is a voltage of approx. 4 volts measured? GO to E30 . No - Vehicles with a 1.8L diesel engine: GO to E40 . - Vehicles with a 2.0L diesel engine: GO to E43 . - Vehicles with a 2.0L engine: GO to E46 . - Vehicles with a 2.5L engine GO to E49 . E30: CHECK THE GROUND CONNECTION OF THE REFRIGERANT PRESSURE Ignition switch in position 0. 1 Measure the resistance between the refrigerant circuit RH108D (BU/RD) (vehicles with a 1.8L diesel 2
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