Isuzu Trooper (1998-2002 year). Service manual — part 982
8D–462
WIRING SYSTEM
6-2 Even When The Tank Is Filled Up With Fuel, The Needle Does Not Reach “F”
•
WHEN INSERTING AND PULLING OUT THE CONNECTOR
F-5 OF THE FUEL TANK UNIT SEVERAL TIMES, DOES
THE POINTER OF THE FUEL GAUGE STAY AT THE SAME
POSITION?
YES
•
•
•
DISCONNECT THE CONNECTOR OF THE FUEL TANK UNIT
CONNECT THE FUEL TANK UNIT HARNESS SIDE
CONNECTOR 1 F-5 AND 2 F-5 WITH A LEAD WIRE
WHEN THE STARTER SW IS TURNED ON, DOES THE
NEEDLE OVERSHOOT TO “F” AFTER ABOUT 5 MINUTES?
YES
REPAIR A POOR CONNECTION AT THE CONNECTOR
OF THE FUEL TANK UNIT
NO
NO
REPLACE THE METER ASSEMBLY
•
•
REMOVE THE FUEL TANK UNIT
DOES THE FLOAT ARM OPERATE SMOOTHLY?
YES
•
IS THE RESISTENCE
VALUE OF THE FUEL TANK
UNIT NORMAL?
NO
REPLACE THE FUEL
TANK UNIT
WIRING SYSTEM
8D–463
6-3 Even When The Tank Is Not Full of Fuel, The Needle Overshoots (Or Goes Up To “F”)
•
•
DISCONNECT THE CONNECTOR OF THE FUEL TANK
UNIT
WHEN THE STARTER SW IS TURNED ON, DOES THE
NEEDLE STILL POINT TO “F”?
YES
•
IS THE CIRCUIT BETWEEN THE FUEL TANK UNIT AND THE
FUEL GAUGE NORMAL?
NO
YES
•
ARE THE RESISTANCE VALUES OF THE
FUEL TANK UNIT AT “E” AND “F” POINTS
NORMAL?
YES
NO
REPAIR A SHORT CIRCUIT
IN THE CIRCUIT
NO
REPLACE THE FUEL TANK UNIT
•
•
REMOVE THE FUEL TANK UNIT
DOES THE FLOAT ARM OPERATE SMOOTHLY?
REPLACE THE METER
ASSEMBLY
8D–464
WIRING SYSTEM
7. Warning/Indicator Light
7-1 When The Parkng Brake Lever Is Pulled, The Indicator Light Does Not Light Up
•
•
•
DISCONNECT THE PARKING BRAKE SWITCH CONNECTOR
CONNECT THE HARNESS SIDE CONNECTOR TO THE
GROUND
WHEN THE STARTER SWITCH IS TURNED ON, DOES THE
INDICATOR LIGHT LIGHT UP?
YES
•
IS THE PARKING BRAKE SWITCH INSTALLED
TO THE CORRECT POSITION?
NO
•
DOES THE INDICATOR LIGHT HAVE A BURNED OUT
BULB, OR IS THE SOCKET POORLY CONNECTED?
YES
REPLACE THE METER
ASSEMBLY
NO
REPLACE THE BULB OR REPAIR
THE POOR CONNECTION AT THE
SOCKET
YES
•
WHEN THE PARKING BRAKE IS
OPERATED, IS THERE CONTINUITY
BETWEEN THE SWITCH CONNECTOR
1 B-27 AND GROUND?
NO
ADJUST THE INSTALLATION POSITION
NO
REPAIR OR REPLACE THE PARKING BRAKE SWITCH
WIRING SYSTEM
8D–465
7-2 Even When The Parking Brake Lever Is Released, The Indicator Light Does Not Go Off
•
IS THE PARKING BRAKE SWITCH INSTALLED TO
THE CORRECT POSITION, AND DOES IT OPERATE
NORMALLY?
YES
•
WHEN THE PARKING BRAKE SWITCH CONNECTOR
B-27 DISCONNECTED, DOES THE INDICATOR
LIGHT GO OFF?
ADJUST THE SWITCH INSTALLATION POSITION,
OR REPAIR OR REPLACE THE SWITCH
NO
NO
•
IS THE BRAKE FLUID SUFFICIENT?
YES
•
IS THE BRAKE FLUID
SWITCH NORMAL?
NO
REPLENISH THE BRAKE
FLUID
YES
NO
REPLACE THE BRAKE
FLUID TANK
REPAIR A SHORT CIRCUIT
BETWEEN THE PARKING
BRAKE SWITCH CONNECTOR
1 B-27 AND 10 I-10 , OR
THE BRAKE FLUID SWITCH
CONNECTORS 2 C-15
AND 10 I-10 , OR VACCUM
SWITCH CONNECTOR 1 C-68
AND 10 I-10
YES
REPLACE THE METER ASSEMBLY
IS THE VACCUM
SWITCH NORMAL?
YES
NO
REPLACE THE
VACCUM SWITCH
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