Isuzu 1999 RODEO Workshop Manual page 758

DTC P118 – ECT Sensor Circuit High Input (Cont'd)
Step
7 1. Ignition OFF.
2. Disconnect the PCM, and check the ECT sensor
ground circuit for an open.
3. If the ECT sensor ground circuit is open, repair it as
necessary.
Was the ECT sensor ground circuit open?
8 1. Ignition OFF.
2. Disconnect the PCM, and check the ECT signal
circuit for an open.
3. If the ECT sensor signal circuit is open, repair it as
necessary.
Was the ECT signal circuit open?
9 Check for a poor sensor ground or ECT 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 ECT sensor.
Is the action complete?
11 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?
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action
replacement PCM must
Module and Sensors
Value(s)
— Verify repair
— Verify repair
— Verify repair
— Verify repair
be
for
— Verify repair
6E1–131
Yes No
Go to Step 9
Go to Step 9
Go to Step
11
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