Isuzu 2000 Trooper Workshop Manual page 1229

6E–360
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P0507 – Idle Air Control System High RPM (Cont'd)
Step
6 Replace the throttle valve.
Is the action complete?
7 1. Check the following circuits for an open, short
tovoltage, short to ground, or poor connection at the
PCM:
D
Acceleration position sensor 1 circuit.
D
Acceleration position sensor 2 circuit.
D
C position sensor 3 circuit.
D
V position sensor resistance.
2. If a problem is found, repair as necessary.
Was a problem found?
8 Replace the acceleration position sensor.
Is the action complete?
9 Following below the DTCs stored: P1125, P1290,
P1295, P1299
10 Following below the DTCs stored:P1514, P1515,
P1516, P1523, P1271, P1272, P1273
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)
—
Vcc-GND
4–6km
SIG-DND
change
resistance
—
—
—
must be
for
—
Yes No
Go to Step 3
—
Verify repair Go to Step 8
Go to Step 9
—
Go to
applicable
DTC table Go to Step 10
Go to
applicable
DTC table
Go to Step 11
Verify repair —