Isuzu 1999 RODEO Workshop Manual page 902

DTC P0463 Fuel Level Sensor Circuit High Input
Step
1 Was the On–Board Diagnostic (OBD) System Check
performed?
2 1. Install the Tech 2.
Observe the fuel level on the Tech 2.
Does the Tech 2 display the specified value?
3 Refer to Fuel Gauge Diagnosis.
4 With a Digital Voltmeter (DVM) to ground, probe the
Fuel Level sensor input at the Sensor Input cavity.
Is the voltage greater than the specified value?
5 Check for a open in the Fuel Level sensor ground.
Was a problem found?
6 Check for an open in the Fuel Level sensor ground.
Was a problem found?
7 Repair the short to voltage in the fuel level input circuit.
Is the repair complete?
8 Repair the short to voltage in the fuel level output
circuit.
Is the repair complete?
9 Repair the open in the fuel level sensor ground.
Is the repair complete?
10 Replace the PCM.
IMPORTANT: The
reprogrammed.
Replacement/Programming.
Is the action complete?
11 1. Using the Tech 2, select the DTC and the Clear Info.
2. Start the engine.
3. Idle at the normal operating temperature.
4. Select the Diagnostic Trouble Code and the
Specific.
5. Enter the Diagnostic Trouble Code number which
was set.
6. Operate the vehicle within the conditions for setting
this Diagnostic Trouble Code as specified in the
supporting text.
Does the Tech 2 indicate that this diagnostic Ran and
Passed?
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action
replacement PCM must
Refer to
Value(s)
— Go to Step 2
99% – 100% Go to Step 4
—
2.9 V Go to Step 5
— Go to Step 7
— Go to Step 9
—
—
—
be
PCM
—
—
6E1–275
Yes No
Go to
Powertrain
OBD System
Check
Go to Step 3
— —
Go to Step 6
Go to Step 6
Go to Step
10
Go to Step
—
11
Go to Step
—
11
Go to Step
—
11
Go to Step
11 —
System OK Go to Step 2