−
DIAGNOSTICS
ENGINE
DI
−
11
1996 LAND CRUISER (RM451U)
NG
Proceed to page
IG
−
1
and continue to trouble-
shoot.
OK
Proceed to matrix chart of problem symp-
toms on page
DI
−
19
.
7.
ENGINE OPERATING CONDITION
NOTICE:
The values given below for ”Normal Condition” are representative values, so a vehicle may still be
normal even if its value varies from those listed here. So do not decide whether a part is faulty or
not solely according to the ”Normal Condition” here.
(a)
CARB mandated signals.
TOYOTA hand
−
held tester display
Measurement Item
Normal Condition*
FUEL SYS #1
Fuel System Bank 1
OPEN: Air
−
fuel ratio feedback stopped
CLOSED: Air
−
fuel ratio feedback operating
Idling after warming up: CLOSED
CALC LOAD
Calculator Load:
Current intake air volume as a proportion of max.
intake air volume
Idling: 13.8
−
19.3%
Racing without load (2,500 rpm): 17.6
−
25.2%
COOLANT TEMP.
Engine Coolant Temp. Sensor Value
After warming up: 80
−
95
°
C (176
−
203
°F)
SHORT FT #1
Short
−
term Fuel Trim Bank 1
0
±
20%
LONG FT #1
Long
−
term Fuel Trim Bank 1
0
±
20%
ENGINE SPD
Engine Speed
Idling: 650
±
50
rpm
VEHICLE SPD
Vehicle Speed
Vehicle Stopped: 0 km/h (0 mph)
IGN ADVANCE
Ignition Advance:
Ignition Timing of Cylinder No. 1
Idling: BTDC 0
−
11
°
INTAKE AIR
Intake Air Temp. Sensor Value
Equivalent to Ambient Temp.
MAF
Air Flow Rate Through Mass Air Flow Meter
Idling: 4.3
−
6.1
gm/sec.
Racing without load (2,500 rpm):
21.2
−
30.4 gm/sec.
THROTTLE POS
Voltage Output of Throttle Position Sensor
Calculated as a percentage:
0 V
→
0%, 5 V
→
100%
Throttle Fully Closed: 7
−
11%
Throttle Fully Open: 65
−
75%
O2S B1, S1
Voltage Output of Oxygen Sensor
Bank 1, Sensor 1
Idling: 0.1
−
0.9
V
O2FT B1, S1
Oxygen Sensor Fuel Trim Bank 1, Sensor 1
(Same as SHORT FT #1)
0
±
20%
O2S B1, S2
Voltage Output of Oxygen Sensor
Bank 1, Sensor 2
Driving (50 km/h, 31 mph): 0.1
−
0.9
V
∗
: If no conditions are specifically stated for ”ldling”, it means the shift lever is at N or P position, the A/C switch
is OFF and all accessory switches are OFF.
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Brought to you by BirfMark
Version 1.00 - 12/21/2010