Chevrolet Lumina 2·2L car circuit diagram

L06ESDL5V0H4-2

C-2

Lumina umina brand car produced by the Chevrolet branch of the US General Motors (GM) car, using a 4-cylinder in-line water-cooled gasoline engine with a displacement of 2·2L and computer-controlled multi-point (4 injectors) At the same time, fuel injection, intake pressure control type, component arrangement is shown in Figure 7-1.

Figure 7-1 Lumina (2.2L) car circuit components layout â–¡ computer device: Cl a host computer; C2 a diagnostic plug: C3 a fault indicator; C4 a fuel pump / computer fuse; C5 a computer ground; C6 A fuse box; C8 an engine left distribution center; ClO a battery connector box... non-computer device: Nl a crankcase ventilation valve; N2 an activated carbon canister solenoid valve â—‹ sensor: A an intake pressure sensor; Oxygen sensor; C one valve position sensor; D-coolant temperature sensor:
Fl a vehicle speed sensor; M-transmission gear switch; T-helium temperature sensor; U-air-conditioning refrigerant pressure sensor â–¡ control device: 1 injector; 2 idle control motor; 3 fuel pump relay; Torque converter (TCC) connector core-main cooling fan relay; 12-auxiliary cooling fan relay; 13-air conditioner compressor clutch relay; 14-ignition coil assembly; 15-main cooling fan motor; 16-auxiliary cooling fan Motor; 17-EGR solenoid valve relay provides input signals for the computer: oxygen sensor, helium pressure sensor, air conditioning refrigerant pressure sensor, intake air temperature sensor, throttle] position sensor, coolant temperature sensor, crankshaft position sensor , speed sensor.
The computer-controlled actuators mainly include: each cylinder injector, fuel pump, ignition module and ignition coil, idle speed control valve, exhaust gas recirculation (EGR) control solenoid valve, hydraulic torque (TCC) clutch switch, air conditioning compressor Electromagnetic clutch, cooling fan #1 and #2 and fault indicator.