Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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Content .. 1304 1305 1306 1307 ..
6E1–300 RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION D Damaged harness – Inspect the wiring harness for D Restricted air intake system – Check for a possible D Throttle body – Check for objects blocking the IAC D Large vacuum leak – Check for a condition that causes Reviewing the Failure Records vehicle mileage since the DTC P0506 – Idle Control System RPM Lower Than Expected
Step Action Value(s) Yes No 1 Was the ”On–Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 Are any other Diagnostic Trouble Codes set? — Go to other Diagnostic Trouble Code first Go to Step 3 3 1. Start the engine. 500, and then up to 1500 while monitoring ”Engine Does the ”Engine Speed” remain within the specified +/–50 RPM No trouble found. Go to Diagnostic Aids Go to Step 4 4 1. Disconnect the IAC. 1500, down to 500, and then up to 1500 while Does each noid light cycle red and green (never OFF)? — Go to Step 6 Go to Step 5 5 1. Check the following circuits for an open, short to voltage, short to ground, or poor connection at the D IAC ”A” low D IAC ”A” high D IAC ”B” low D IAC ”B” high 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 8 6 Visually/physically inspect for the following conditions: D Throttle body tampering (adjustment screw plug D Restricted air intake system. Check for a possible D Throttle body. Check for objects blocking the IAC Do any of the above require a repair? — Refer to appropriate section for on–vehicle service Go to Step 7 |