Opel Frontera UBS. Manual - part 1694

 

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Opel Frontera UBS. Manual - part 1694

 

 

8D–454

WIRING SYSTEM

3.  Voltmeter

3-1.  Voltmeter Needle Does Not Move

3-2.  Voltage Reading Is Too Low (Or High)

IS THE METER ASSEMBLY CONNECTOR    I-9
SECURELY CONNECTED?

YES

DISCONNECT THE METER ASSEMBLY CONNECTORS   I-9
TURN THE STARTER SWITCH ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE HARNESS
SIDE CONNECTORS 15   I-9   AND 19    I-9    OF THE METER
ASSEMBLY?

YES

CONNECT THE CONNECTOR SECURELY

NO

REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT BETWEEN THE
FUSE C-10 (10A) AND 15   I-9   OR THE
CONNECTORS 19    I-9    AND THE GROUND

NO

REPLACE THE METER ASSEMBLY

WIRING SYSTEM

8D–455

4.  Engine Coolant Temperature (ECT) Gauge

4-1  Gauge Needle Does Not Move

IS THE CONNECTOR OF THE ENGINE COOLANT
TEMPERATURE UNIT CONNECTED SECURELY?

YES

DISCONNECT THE CONNECTOR OF THE ENGINE COOLANT
TEMPERATURE UNIT
CONNECT A 3.4W BULB BETWEEN THE HARNESS SIDE
CONNECTOR 1   E-19   OR 1   E-23   AND THE GROUND OF
THE ECT UNIT
WHEN THE STARTER SW IS TURNED ON, DOES THE
ECT GAUGE POINTER MOVE ABOUT 10 SECONDS
AFTER THAT?

YES

CONNECT THE CONNECTOR SECURELY

NO

NO

REPLACE THE ENGINE COOLANT
TEMPERATURE UNIT

IS THE CIRCUIT BETWEEN THE ECT GAUGE AND THE
ENGINE COOLANT TEMPERATURE UNIT NORMAL?

YES

REPLACE THE METER
ASSEMBLY

NO

REPAIR A POOR CONNECTION
AT THE CONNECTORS OR AN
OPEN CIRCUIT IN THE CIRCUIT

8D–456

WIRING SYSTEM

4-2  Gauge Reading Is Too Low (Or High)

DOES THE THERMOSTAT OPERATE NORMALLY?

YES

TURN THE STARTER SWITCH ON
WHEN INSERTING AND PULLING OUT THE ENGINE
COOLANT TEMPERATURE UNIT CONNECTOR 1   E-19   OR
1   E-23   SEVERAL TIMES, DOES THE INDICATION OF THE
ECT GAUGE VARY?

YES

REPLACE THE THERMOSTAT

NO

REPAIR A POOR CONNECTION AT THE CONNECTOR
OF THE ENGINE COOLANT TEMPERATURE UNIT

NO

IS THE ENGINE COOLANT TEMPERATURE UNIT NORMAL?

YES

REPLACE THE ENGINE
COOLANT TEMPERATURE
UNIT

NO

REPLACE THE METER
ASSEMBLY

WIRING SYSTEM

8D–457

4-3  Needle Overshoots (Goes Up To The “H” Range)

DISCONNECT THE CONNECTOR OF THE ENGINE
COOLANT TEMPERATURE UNIT
WHEN THE STARTER SW IS TURNED ON, DOES THE
POINTER REACH TO THE “H” RANGE?

YES

IS THERE A SHORT CIRCUIT BETWEEN THE
ECT UNIT AND THE ECT GAUGE?

YES

REPLACE THE ENGINE COOLANT
TEMPERATURE UNIT

NO

REPAIR THE SHORT CIRCUIT

NO

REPLACE THE METER ASSEMBLY

 

 

 

 

 

 

 

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