Service Repair Manual

MPI SYSTEM
Check points
Check conditions
Test
specification
Probable cause of malfunction
Barometric pres-
o Ignition switch:
Altitude m (ft.) Pressure o Barometric pressure sensor or
sure sensor
ON
mm Hg
related circuit malfunction.
o Service data
0 (0)
760
(If the barometric pressure sensor
o Item No.25
pressure is low at high speed,
600 (1,968)
710
clogging of the air cleaner element
1,200 (3,937)
660
is probable.)
1,800 (5,905)
610
o Engine: Gradually close Decreases.
2,000 rpm
the air-intake
duct by hand.
Idle switch
o Service data
o Item No.26
Power-steering
switch
o Service data
o Item No.27
o Ignition switch: Throttle valve
ON
o Idle position switch or related circuit
ON
idling position
malfunction
(Checking by
Open the throt-
OFF
o Improper adjustment of the accel-
depressing the erator cable or the cruise control
accelerator pedal
tle valve slightly.
cable.
several times)
o Misadjusted fixed SAS.
o Engine: Idle
Steering
OFF o Power steering oil-pressure
wheel neutral
switch or signal circuit malfunction
position
(wheels
straight-ahead
direction)
Steering
wheel half
turn
ON
Air-conditioner
switch
o Service data
o Item No.28
o Engine: idle
Air-conditioner
(The air condi- switch “OFF”
tioner compres-
sor will be
activated when
Air-conditioner
the air-condi-
switch “ON”
tioner switch is
ON.)
OFF
ON
o Check the air conditioner system.
Inhibitor switch
o Service data
o Item No.29
o Ignition switch:
Shift lever:
“P”, “N”
o Malfunction of the inhibitor
ON
“P” or “N”
switch or the signal circuit.
(A/T models
only)
Shift lever:
“D”, “2”, “L”,
o Improper adjustment of the control
“D”, “2”, “L”
“R”
cable between the shift lever and
or “R”
the inhibitor switch.
31-41