•  Input voltage from the MAF sensor is below 0.7 V or above 5.4 V when the ignition switch is turned to the ON position.

•  Input voltage from the ECT sensor is blow 0.07 V or above 4.58 V when the ignition switch is turned to the ON position.

•  Input voltage from the TP sensor is below 0.09 V or above 4.78 V when the ignition switch is turned to the ON position.

•  The O2S signal does not exceed 0.45 V after the engine is started, or stays below 0.45 V for 180 s after the engine has reached normal operating temperature.

•  No SGT signal from the CMP sensor when engine is started and 2.1 s has passed

•  Open or short circuit is observed in the purge solenoid valve system when the ignition switch is turned on.

•  Open or short circuit is observed in idle air control system.

•  Input from the IAT sensor is below 0.1 V or above 4.9 V when the ignition switch is turned on.

•  When the O2S signal stays above 0.45 V for 20 s after engine has reached normal operating temperature.

•  Input voltage from the barometric pressure sensor is below 1.5 V or above 4.5 V when the ignition switch is turned on.

•  Open or short circuit is observed in the PRC solenoid valve when the ignition switch is turned on.

•  The PCM does not read DTC from output devices.