Civic DX Coupe L4-1590cc 1.6L SOHC MFI (1999)
Canister Purge Control Valve: Description and Operation
Evaporative Emission (EVAP) Purge Control Solenoid Valve*9
When the engine coolant temperature is above 154 °F (68 °C), the ECM/PCM controls the EVAP purge control solenoid valve which controls vacuum
to the EVAP purge control canister.
Evaporative Emission (EVAP) Purge Control Solenoid Valve*4
When the engine coolant temperature above 154 °F (68 °C), intake air temperature above 32 °F (0 °C) and vehicle speed above 0 mile (0 kph) or [A/C
compressor clutch on and intake air temperature above 160 °F (41 °C)], the ECM/PCM controls the EVAP purge control solenoid valve which controls
vacuum to the EVAP purge control canister.
*9 '96 D16Y5 engine, '96 D16Y7 engine, '96 D16Y8 engine (Sedan), '97 D16Y5 engine, '97 D16Y7 engine (Coupe: KA, KC models, Sedan: KA, KC,
KL, (LX) models, Hatchback: all models), '97 D16Y8 engine (Sedan: KA, KC model)
*4 '96 D16Y8 engine (Coupe), '97 D16Y7 engine (Coupe: KL model, Sedan: KL, (LX) model), '97 D16Y8 engine (Coupe: all models, sedan:KL
model), '98 all models, '99 all models, '00 all models.
