Isuzu 2000 Trooper Workshop Manual page 1348

DTC P1516 - Command - Actual TPS Correlation Error (Cont'd)
Step
10 Check the following items;
1. TP1 and TP2 signal circuit for a short to voltage.
2. TP1 and TP2 sensor ground circuit for high
resistance between the PCM and the TP sensor.
3. TP1and TP2 sensor ground circuit for a poor
connection.
4. If a problem is found, repair wiring harness as
necessary.
Was a problem found?
11 Check the following items;
1. TP1and TP2 signal circuit or 5 volt reference circuit
for a poor connection.
2. TP1 and TP2 signal circuit or 5 volt reference circuit
for high resistance between the PCM and the TP1
and TP2 sensor.
3. If a problem is found, repair wiring harness as
necessary.
Was a problem found?
12 Replace the TP sensor.
Is the action complete?
13 Replace the PCM.
IMPORTANT:
The replacement PCM must be programmed.
Refer to ON-Vehicle Service in Power Control Module
and Sensors for 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 replasement PCM.
Is the action complete?
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Action Value(s) Yes
— Verify repair
— Verify repair
— Verify repair
— Verify repair
6E–479
No
Go to Step 13
Go to Step 13
—
—