C0 Model

DTC DETECTING CONDITION:

Step	Check	Yes	No
1 CHECK DTC. Turn the ignition switch to ON. Perform the clear memory operation of ECM. <Ref. to Clear Memory Mode .> <Ref. to Clear Memory Mode .> Turn the ignition switch to OFF. Register the ID code box. Read the DTC again. <Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) .>	Is DTC B1577 displayed?	Replace the ID code box. <Ref. to ID Code Box .>	Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again. NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.