GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Geo
🢒
1997
🢒
Metro
🢒
Engine
🢒
Engine Controls - 1.0L
🢒 Engine Controls Component Views
Figure
1:
Information Sensors/Input Devices
(1)
IAT Sensor
(2)
VSS (part of speedometer) -- MT only
(3)
CTP Switch (part of ISC Motor)
(4)
CMP Sensor (inside of distributor)
(5)
ECT Sensor
(6)
HO2S 1
(7)
CKP Sensor
(8)
TP Sensor
(9)
MAP Sensor
(10)
Fuel Tank Pressure Sensor (w/EES)
(11)
Fuel Level Sensor (gauge sending unit - in tank)
(12)
A/C Amplifier
(13)
Diode Module (electrical load diode)
(14)
HO2S 2
Figure
2:
PCM Controlled Devices
(1)
EVAP Canister Vent Solenoid (w/EES)
(2)
Malfunction Indicator Lamp (MIL)
(3)
M/T Upshift Indicator Lamp
(4)
Ignition Control Module
(5)
Cooling Fan Control Relay
(6)
ISC Motor Relay
(7)
EFE Heater Relay
(8)
Fuel Pump Relay
(9)
EGR Solenoid Vacuum Valve
(10)
EGR Bypass Valve
(11)
EVAP Canister Purge Valve
(12)
EVAP Tank Pressure Control Solenoid Valve (w/EES)
(13)
Fuel Injector
(14)
ISC Motor
Figure
3:
Other Components
(1)
EGR Valve
(2)
Tank Pressure Control Valve (w/EES)
(3)
Ignition Coil
(4)
Noise Suppressor Filter (ignition system)
(5)
Data Link Connector (DLC)
(6)
Junction Block (fuse block)
(7)
Fuel Injector Resistor
(8)
Main Relay
(9)
Battery
(10)
EVAP Canister
(11)
EGR Back Pressure Transducer
(12)
EFE Heater
(13)
PCM
Figure
4:
TBI Assembly and EGR System
(1)
Fuel Injector
(2)
TP Sensor
(3)
EGR Valve
(4)
Distributor
(5)
EGR Solenoid
(6)
EGR Back Pressure Transducer
(7)
ISC Motor