Isuzu 2000 Trooper Workshop Manual page 1025

6E–156
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P0113 –IAT Sensor Circuit High Voltage (Cont'd)
Step
6 Check for poor connections at the IAT sensor and
replace terminals if necessary.
Did any terminals require replacement?
7 1. Ignition "OFF."
2. Disconnect the PCM, and check the IAT sensor
ground circuit for an open.
3. If the IAT sensor ground circuit is open, repair it as
necessary.
Was the IAT sensor ground circuit open?
8 1. Ignition "OFF."
2. Disconnect the PCM, and check the IAT signal
circuit for an open.
3. If the IAT sensor signal circuit is open, repair it as
necessary.
Was the IAT signal circuit open?
9 Check for a poor sensor ground or IAT signal circuit
terminal connection at the PCM and replace
terminal(s) if necessary.
Did any of the terminals need to be replaced?
10 Replace the IAT sensor.
Is the action complete?
11 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)
—
—
—
—
—
must be
for
—
Yes No
Verify repair Go to Step 10
Verify repair Go to Step 9
Verify repair Go to Step 9
Verify repair Go to Step 11
Verify repair —
Verify repair —