14A-12 Service Information Guide (All models) GEN Generator GND Ground HC Hydrocarbon HO2S Superheat O2 sensor IAC Idle air control IAT Intake air temperature IC Integrated circuit ID Plate ID plate (Name plate) IDSS ISUZU Diagnostic Service System IMT Intake manifold temperature INL Intake INJ Injection ISO International Organization for Standardization ISP Intake shutter position ITP Intake throttle position J/C Joint connector JIS Japan Industrial Standard KW A communication method (Keyword) LH Left side LLC Long life coolant M/V Electromagnetic valve MAF Mass air flow MAP Manifold air pressure Max Maximum MIL Warning light (Diagnostic light) Min Minimum MPU Micro processing unit NC Normally closed NC Normally closed NO Normally open NOx Nitrogen oxide N–TDC Top dead center revolution speed O2S O2 sensor OBD On–board diagnosis OEM Original equipment manufacturer OPT Option OT Oil temperature P/L Pilot light PCV Pump control valve/Positive crankcase ventilation P–I Proportion–integration PM Particle material PTO Power take–off PWM Pulse width modulation wave QOS QOS (Quick on start system) QWS QWS (Quick warming up system)