Code Enable Criteria

WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport, 2002 Isuzu Rodeo, 2002 Isuzu Axiom, and 2002 Honda Passport. 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:

Ignition voltage is between 10 and 16 volts.
MAP sensor signal is between 26 and 100 kPa.
Fuel level is 19 percent or more.
Engine speed is between 650 and 6500 RPM.
ISM circuit has open or shorted signals on SEC 1 line.