April 5, 2026: LEMON Manuals is launched! Read the announcement.

Part 1

OBD System Description

Catalyst Monitor

Misfire Monitor

EVAP Control System Monitor

Fuel System Monitor

A/F Sensor Monitor

A/F Sensor Circuit Monitor

HO2S Monitor

HO2S Circuit Monitor

A/F Sensor Heater Monitor

HO2S Heater Monitor

Thermostat Monitor

Cold Start Idle Air Control System Performance Monitor

CMP Control System Monitor

Sensor Circuit Monitor

MAF Sensor Rationality Monitor

IAT Sensor Rationality Monitor