Here is the instruction show you guide on how to repair ISUZU 4JJ1 N-Series 3.0L engine intake air flow IAF valve control circuit open P02E0.
DESCRIPTION:
The ECM controls the intake air flow (IAF) valve opening based on the engine running condition and by controlling the lAF valve motor. The lAF valve position is detected by the position sensor and relayed to the ECM.lf the ECM detects an open circuit on the motor circuits, the DTC will set.
Related Contents:
CONDITION FOR RUNNING THE DTC:
1 The battery voltage is between 10 and 16 volts.
2 The desired lAF valve position is more than 18.5%.
CONDITION FOR SETTING DTC:
The ECM detects an open circuit on the lAF valve motor control circuit for 1 second.
ACTION TAKEN WHEN THE DTC SETS:
1 The ECM illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails.2. 2 The ECM records the operating conditions at the time the diagnostic falls, The ECM stores this information in the Freeze Frame/ Falure Records
The ECM Apply Defaulted Warning Action And Fail-Safe Controls:1. MIL: ON
2 DPF Regeneration Control Inhibition
3 Cruise Control lnhibition
CONDITION FOR CLEARING THE DTC:
1 The ECM turns OFF the MIL after 3 consecutive driving cycles when the diagnostic runs and does not fail.
2 A current DTC clears when the diagnostic runs and passes.
3 A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported after the ECM turns OFF the Ml.
4 Use the diagnostic tool to clear the MIL and the DTC.
DIAGNOSTIC AIDS:
lf an intermittent condition is suspected, refer to the Intermittent Conditions.
