Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E1–336 RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION Diagnostic Trouble Code P1133 continues to set, replace Test Description Number(s) below refer to the step number(s) on the 3. A condition that affects other heated oxygen sensors indicates probable contamination. To avoid 5. This step checks for conditions which may cause the heated oxygen sensor to appear faulty. Correct 11. To avoid damaging replacement sensors, correct the condition which caused the contamination DTC P1133 – O2 Sensor Insufficient Switching (Bank 1 Sensor 1)
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 IMPORTANT: If any Diagnostic Trouble Codes are set 1. Engine idling at operating temperature. under ”Conditions for Setting the Diagnostic 3. Using a Tech 2, monitor “Diagnostic Trouble Code” info for Diagnostic Trouble Code P1133 until the 4. Note the test result. Does the Tech 2 indicate Diagnostic Trouble Code — Go to Step 3 Refer to Diagnostic Aids 3 Did the Tech 2 also indicate that the P1153 or P1154 — Go to Step 11 Go to Step 4 4 1. Perform the ”Exhaust System Leak Test” (refer to Exhaust System). After the ”Exhaust System Leak 2. If an exhaust leak is found, repair as necessary. Was an exhaust leak isolated? — Go to Step 2 Go to Step 5 5 Visually/physically inspect the following items: D Ensure that the Bank 1 HO2S 1 is securely D Check for corrosion on the terminals. D Check the terminals at Bank 1 HO2S 1 and at the D Check for damaged wiring; shorts to ground, Was a problem found in any of the above areas? — Verify repair Go to Step 6 6 1. Disconnect Bank 1 HO2S 1. the connector, check the voltage between the high Are both voltages in the specified range? 3–4 mV Go to Step 9 Go to Step 7 |