1998 TOYOTA LAND CRUISER Factory Repair Manual

check engine light ABS headlights coolant flat tire jacking points

Page 1297 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-248
- DIAGNOSTICSENGINE
441 Author: Date:
TYPICAL ENABLING CONDITIONS
ItCriteriaItemMinimumMaximum
The monitor will run whenever the follow-
ing DTCs are not presentSee ºList of disable a monito

DI-248
- DIAGNOSTICSENGINE
441 Author: Date:
TYPICAL ENABLING CONDITIONS
ItCriteriaItemMinimumMaximum
The monitor will run whenever the follow-
ing DTCs are not presentSee ºList of disable a monitorº (on page DI-3)
Common pre-conditions for 0.020, 0.040 inch and gross:
Altitude-2,400 m (7,872 ft.)
Throttle position learningCompleted
Vapor pressure sensorNo malfunction
Difference between intake air temperature
and engine coolant temperature at engine
start
-7C (-13F)11.1C (20F)
Vehicle speed conditionA or B
A. Time after vehicle stopped
(Less than 10 km/h (6 mph))90 sec.-
B. Time after vehicle started
(7 km/h (4 mph) or more)20 sec.-
0.020 inch malfunction detection:
Engine coolant temperature at engine
start10C (50F)32C (89.6F)
Intake air temperature at engine start10C (50F)32C (89.6F)
Intake air temperature10°C (50°F)-
Fuel level condition in fuel tank during leak
checkFuel slosh is small (must not drive on road in bad conditions)
Time after engine start-50 min.
Fuel tank pressure condition before leak
check (Fuel tank condition before closed
negative pressure introduction)Tank inside pressure change is small before negative pressure introduction.
(Reference: If fuel in tank is high temperature, vapor volume increase and tank inside pressure
changes also increase)
Vehicle speed and intake air amount
condition before and after negative pres-
sure introduction
Steady speed and not change greatly of intake air amount
Fuel level-90%
0.020 inch leak detectionNot completed
0.040 inch leak detectionNot detected
CCV malfunction, bypass VSV malfunc-
tionNot detected
Vehicle speed-130 km/h (81 mph)
EVAP VSV (Evap purge VSV) malfunctionNot detected
0.040 inch and gross malfunction:
Engine coolant temperature at engine
start10°C (50°F)35°C (95°F)
Intake air temperature at engine start10°C (50°F)35°C (95°F)
Intake air temperature10°C (50°F)-
Fuel level condition in fuel tank during leak
checkFuel slosh is small (must not drive on road in bad conditions)
Time after engine start-50 min.
Fuel tank pressure condition before leak
check (Fuel tank condition before closed
negative pressure introduction)Tank inside pressure change is small before negative pressure introduction.
(Reference: If fuel in tank is high temperature, vapor volume increase and tank inside pressure
changes also increase)

Page 1298 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSENGINE
DI-249
442 Author: Date:
Vehicle speed and intake air amount
condition before and after negative pres-
sure introduction
Steady speed and not change greatly of intake air amount

- DIAGNOSTICSENGINE
DI-249
442 Author: Date:
Vehicle speed and intake air amount
condition before and after negative pres-
sure introduction
Steady speed and not change greatly of intake air amount
Fuel level-90%
0.040 inch leak detectionNot completed
Fuel tank pressure at vacuum introduction
completed-2.4 kPa (-18 mmHg, -0.71 in.Hg)-
P0446 VSV checkNot executed
TYPICAL MALFUNCTION THRESHOLDS
Detection CriteriaThreshold
0.020 inch malfunction detection:
Fuel tank pressure changing value for 5 sec. from -2.0 kPa
(-15 mmHg, -0.59 in.Hg) pointIncrease 0.067 kPa (0.5 mmHg, 0.02 in.Hg) or more
Fuel tank pressure changing value for 5 sec. from -2.7 kPa
(-20 mmHg, -0.79 in.Hg) pointIncrease 0.067 kPa (0.5 mmHg, 0.02 in.Hg) or more
0.040 inch malfunction detection:
Fuel tank pressure changing value for 5 sec. from -2.0 kPa
(-15 mmHg, -0.59 in.Hg) pointIncrease 0.16 kPa (1.2 mmHg, 0.05 in.Hg) or more
Fuel tank pressure changing value for 5 sec. from -2.7 kPa
(-20 mmHg, -0.79 in.Hg) pointIncrease 0.16 kPa (1.2 mmHg, 0.05 in.Hg) or more
Gross leak detection:
Fuel tank pressure min. value at vacuum introduction-2.4 kPa (-18 mmHg, -0.71 in.Hg) or more
MONITOR RESULT
The detailed information is described in CHECKING MONITOR STATUSº (see page DI-3).
TID (Test Identification) is assigned to each emission-related component.
TLT (Test Limit Type):
If TLT is 0, the component is malfunctioning when the test value is higher than the test limit.
If TLT is 1, the component is malfunctioning when the test value is lower than the test limit.
CID (Component Identification) is assigned to each test value.
Unit Conversion is used to calculate the test value indicated on generic OBD scan tools.
TID $02: EVAP - Vacuum Monitor
TLTCIDUnit ConversionDescription of Test ValueDescription of Test Limit
1$01Multiply by 0.0916
(mmHg)Test value of EVAP VSV:
Determined by fuel tank pressure change during vacuum introductionMalfunction criterion
1$02Multiply by 0.0458 and
subtract 2.93 (mmHg)Test value of bypass VSV (pressure switching valve):
Determined by fuel tank pressure change at switching over bypass
VSV
Malfunction criterion
0$03Multiply by 0.0458
(mmHg)Test value of 0.04 inch leak:
Determined by fuel tank pressure changeMalfunction criterion
0$04Multiply by 0.0458
(mmHg)Test value of 0.02 inch leak:
Determined by fuel tank pressure changeMalfunction criterion
1$05Multiply by 0.0458 and
subtract 2.93 (mmHg)Test value of CCV:
Determined by fuel tank pressure change at switching over CCVMalfunction criterion

Page 1299 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-250
- DIAGNOSTICSENGINE
443 Author: Date:
WIRING DIAGRAM
Refer to DTC P0441, P0446 and P2418 on page DI-222.
Hand-held tester:
1 Check that fuel tank cap meets OEM specifications.
NG Replace wit

Page 1300 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual A19812
VSV is ON
VSV is OFF
- DIAGNOSTICSENGINE
DI-251
444 Author: Date:
5 Check purge flow.
PREPARATION:
(a) Connect the hand-held tester to the DLC3.
(b) Select the ºENHANCED OBD II / ACTIVE TES

Page 1301 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-252
- DIAGNOSTICSENGINE
445 Author: Date:
7 Check operation of EVAP VSV (See page SF-44).
NG Replace EVAP VSV.
OK
8 Check for open and short in harness and connector between EFI or ECD relay
and

Page 1302 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual A10150A10149BE6653
A10281VSV is OFFVSV is ON ON
Air
FAir
E
F E
- DIAGNOSTICSENGINE
DI-253
446 Author: Date:
9 Check CCV.
PREPARATION:
(a) Disconnect the vacuum hose for the CCV from the char-
coal

Page 1303 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual BE6653A10143A10144A10801VSV is ONVSV is OFF ON
Air
Air
E
FE
F
DI-254
- DIAGNOSTICSENGINE
447 Author: Date:
11 Check operation of CCV (See page SF-48).
NG Replace CCV.
OK
12 Check for open and short

Page 1304 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual A10193
A20058
- DIAGNOSTICSENGINE
DI-255
448 Author: Date:
14 Check operation of pressure switching valve (See page SF-46).
NG Replace pressure switching valve.
OK
15 Check for open and short in har

Load next 8 pages

Page: < prev 1-10 ... 1265-1272 1273-1280 1281-1288 1289-1296 1297-1304 1305-1312 1313-1320 1321-1328 1329-1336 ... 3120 next >

traction control fuel filter location audio adding oil tire type oil type