Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–388 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS DTC P1125 – ETC Limit Performance Model
Step Action Value(s) Yes No 1 Was the “On-Board (OBD) System Check” performed? — Go to Step 2 Go to OBD System Check 2 1. Warming up the engine until the ECT rise at 80 ° C 2. Ignition “OFF”. alowly opening the throttle. Does the AP angle increase steadily and evenly from Closed throttle APS1 = 11 ∼ 15% APS2 = 85 ∼ 89% APS3 = 85 ∼ 89% Wide open throttle APS1 = 85 ∼ 89% APS2 = 11 ∼ 15% APS3 = 32 ∼ 36% Go to Step 3 Go to Step 4 3 Was the P1125 stored? — Go to Step 8 Check the procedure. Refer to Diagnostic Aids 4 1. Connect a DVM between the 5 Voltge supply circuit and the AP1, AP2 AND AP3 sensor ground circuit at 2. Observe the voltage using a DVM. Is the voltage reading near the specified value? 5V Go to Step 5 Go to Step 6 5 Check the following items; 1. AP1, AP2 or AP3 signal circuit for a short to voltage. resistance between the PCM and the AP sensor. 3. AP1, AP2 or AP3 sensor ground circuit for a poor connection. 4. If a problem is found, repair wiring harness as necessary. Was a problem found? — Verify repair Go to Step 6 6 Check the following items; 1. AP1, AP2 or AP3 signal circuit or 5 volge supply circuit for a poor connection. 2. AP1, AP2 or AP3 signal circuit or 5 volge supply circuit for high resistance between the PCM and the 3. If a problem is found, repair wiring harness as necessary. Was a problem found? — Verify repair Go to Step 7 |