Except For C0 And C5: DTC detecting condition

1. Turn the ignition switch to ON.
2. Perform the clear memory operation of ECM. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Clear Memory Mode .
3. Turn the ignition switch to OFF.
4. Remove and install the battery.
5. Turn the ignition switch to ON.
6. After 5 seconds or more, read DTC. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Read Diagnostic Trouble Code (DTC) .

Is DTC B1577 displayed?

• Yes  : Replace the keyless access CM. Ref. to SECURITY AND LOCKS>Keyless Access CM>REMOVAL .
• No  : Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis.
  NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.