Isuzu 2000 Trooper Workshop Manual page 1043

6E–174
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P0132 – HO2S Circuit High Voltage Bank 1 Sensor 1 (Cont'd)
Step
6 1. Ignition "ON," engine"OFF."
2. At Bank 1 HO2S 1 connector (PCM side) jumper
both the HO2S high and low signal circuits (PCM
side) to ground.
3. Using a Tech 2, monitor Bank 1 HO2S 1 voltage.
Is Bank 1 HO2S 1 voltage below the specified value?
7 1. Disconnect the jumpers to ground from Bank 1
HO2S 1 PCM-side connector.
2. With the HO2S 1 connector disconnected, monitor
Bank 1 HO2S 1 voltage.
Is Bank 1 HO2S 1 voltage between the specified
values?
8 Replace the PCM.
IMPORTANT: The
programmed.
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?
Action
replacement PCM
Refer to On-Vehicle Service in
Module and Sensors
Value(s)
10 mV
425-475 mV
must be
for
—
Yes No
Go to Step 7 Go to Step 8
Refer to
Diagnostic
Aids Go to Step 8
Verify repair —