Toyota 4-Runner 1985 Repair Manual page 170

FI-'
EFI SYSTEM
Page
SYSTEM DESCRIPTION ..................... ~ ...................... . FI-2
PRECAUTIONS ......................................................... . FI-4
INSPECTION PRECAUTIONS .................................... . FI-4
TROUBLESHOOTING ................................................ . FI-9
DIAGNOSIS SySTEM ........... .................................... . FI-22
TROUBLESHOOTING WITH VOLT!
OHMMETER .......................................................... . FI-27
TROUBLESHOOTING FOR EFI ELECTRONIC
CIRCUIT WITH VOLT/OHMMETER ...................... .
FI-28
FUEL SySTEM ........ .................................................. . FI-42
-
Fuel Pump ........................................
~
.................... . FI-42
Cold Start Injector ................................................ . FI-47
Pressure Regulator ................................................ . FI-49
Injector .................................................................. .
FI-50
Fuel Tank and Line ............................................... .
FI-55
AIR INTAKE SySTEM .................. ............................ ..
FI-56
Air Flow Meter ...................................................... . FI-56
Air Valve ............................................................... . FI-58
Throttle Body ........................................................ . FI-59
ELECTRONIC CONTROL SySTEM ........................... .. FI-63
Location of Electronic Control Parts ................... ..
FI-63
Main Relay ............................................................ .
FI-64
Circuit Opening Relay ........................................... .
FI-65
Solenoid Resistor .................................................. .
FI-66
Start Injector Time Switch .................................. .. FI-67
Water Thermo Sensor ..... ..................................... . FI-68
Ox Sensor ............................................................. . FI-69
ECU ...................................................................... .
FI-72
Fuel Cut RPM ........................................................ .
FI-74