Isuzu 1999 RODEO Workshop Manual page 898

DTC P0461 Fuel Level Sensor Circuit Range/Performance
Step
1 Was the On–Board Diagnostic (OBD) System Check
performed?
2 1. Install the Tech 2.
2. Turn ON the ignition.
3. Compare the fuel level on the Tech 2 with the vehicle
fuel gauge.
Are the levels approximately the same?
3 1. Record the vehicle fuel gauge reading.
2. Turn OFF the ignition.
3. Disconnect the PCM's connector.
4. Turn ON the ignition.
Did the vehicle fuel gauge reading change?
4 1. Turn the ignition OFF.
2. Disconnect the fuel tank level sensor connector.
3. Using a fused jumper wire, jump the fuel level input
to the fuel level sensor ground.
4. Turn the ignition ON.
Does the Tech 2 and the fuel gauge indicate the
specified value?
5 Replace the Fuel tank level sensor.
6 Replace the PCM.
IMPORTANT: The
programmed. Refer to On–Vehicle Service in
Powertrain Control
procedures.
And also refer to latest Service Bulletin.
Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.
Is the action complete?
7 1. Using the Tech 2, select the Diagnostic Trouble
Code, and Clear Info.
2. Start the engine.
3. Idle at the normal operating temperature.
4. Select the DTC and the Specific
5. Enter the DTC number which was set.
6. Operate the vehicle within the conditions for setting
this DTC.
Does the Tech 2 indicate that this diagnostic Ran and
Passed?
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action
replacement PCM must
Module and Sensors
Value(s)
— Go to Step 2
— Go to Step 3
— Go to Step 4
0% (Empty) Go to Step 5
— Go to Step 7
be
for
— Go to Step 7
— System OK
6E1–271
Yes No
Go to
Powertrain
OBD System
Check
Go to Step 5
Go to Step 5
Go to Step 6
—
—
Go to Step 2