Service Repair Manual

MPI SYSTEM
Check points
Motor position
sensor
o Sensor data
o Item No.15
Check conditions
Test
specification
Probable cause of malfunction
The compressor
Air conditioner 800-1,800
o If the engine speed does
not
clutch must be switch ON
increase when the air conditioner
activated when
(800 rpm)
switch is switched from OFF to ON,
the air condi-
check the DC motor drive circuit
tioner switch is
o Check the air conditioner system
switched ON.)
Air conditioner 900-1,900
o Check the inhibitor switch and the
switch: ON
signal circuit
Shift lever: “D”
range (700
rpm)
Crank signal
o Service data
o Item No.18
Engine coolant
temperature
sensor
o Service data
o Item No.21
Crank angle
sensor
o Service data
o Item No.22
o Ignition switch:
OFF
o Ignition switch-ST signal circuit
ON check
o Ignition switch check
o Ignition switch:
Engine coolant Temperature
o Engine coolant temperature sensor
ON, or engine
temperature
°C (°F)
or related circuit malfunction
running
°C (°F)
-20 (-4)
-20 (-4)
0 (32)
0 (32)
20 (68)
20 (68)
40 (104)
40 (104)
80 (176)
80 (176)
o Engine: idle
Engine coolant
Idle rpm
o If the idle speed suddenly increases,
(Check with the temperature
a malfunction of the crank angle
ignition switch
°C (°F)
sensor or improper contact of the
ON.)
-20 (-4)
1,500-1,700
connector is probable.
0 (32)
1,350-1,550
20 (68)
1,150-1,350
40 (104)
950-1,150
80 (176)
650-850
31-40