Isuzu 2000 Trooper Workshop Manual page 947

6E–78
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
D P0453
D P0106, P0107, P1107
D P0401, P1404, P0405
D P1120, P1515, P1221, P1516, P1635
D P1275, P1639, P1271, P1273
D P1285, P1646, P1272, P1273
D P0336, P0337
D P0341, P0342
D P1220, P1515, P1221, P1515, P1516
D P1280, P1271, P1272
Check for the following conditions:
D Poor connection at PCM. Inspect the harness
connectors for backed–out terminals, improper
mating, broken locks, improperly formed or damage
terminals, and a poor terminal–to–wire connection.
D Damaged harness. Inspect the wiring harness for
damage. If the harness is not damaged, observe an
affected sensor fs displayed value on the Tech 2 with
the ignition "ON" and the engine "OFF" while you
move the connectors and the wiring harnesses
related to the following sensors:
D Vapor Pressure Sensor
D MAP Sensor
D EGR
D TPS1/TPS2
D APS1/APS2/APS3
D CKP/CMP