Code Enable Criteria

WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.

Following conditions must be met for DTC diagnostic test to run:

No ECT, IAT, VSS, MAP, EGR, EVAP, system voltage, vacuum switch or TP sensor DTCs are set.
BARO is 72.3 kPa or more.
Start-up intake air and coolant temperature readings are 40-95°F (4.2-35°C).
Difference between ECT and IAT at start-up is less than 12.2°F (6.75°C).
Fuel tank is between 15 percent and 85 percent.
Fuel tank vacuum is more than 2 in. H₂ O for 2 seconds.