1998 TOYOTA LAND CRUISER Factory Repair Manual

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Page 1393 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual A19979
LOCKACC
ON
START
DI-344
- DIAGNOSTICSENGINE
537 Author: Date:
2004 LAND CRUISER (RM1071U)
8 Check ignition switch.
PREPARATION:
(a) Remove the lower finish panel.
(b) Disconnect the ignitio

Page 1394 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI079-18
ENGINE CONTROL SYSTEM Check Sheet
Customers Name
Drivers Name
Data Vehicle
Brought in
Engine model
VIN
Production Date
Licence Plate No.
Odometer Reading
Problem Symptoms
Engine does
not St

Page 1395 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI1L4-19
DI-36
- DIAGNOSTICSENGINE
229 Author: Date:
2004 LAND CRUISER (RM1071U)
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may not be exactly the same as your reading due

DI1L4-19
DI-36
- DIAGNOSTICSENGINE
229 Author: Date:
2004 LAND CRUISER (RM1071U)
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument
or other factors.
If a malfunction code is displayed during the DTC check in check mode, check the circuit for the codes listed
in the table below. For details of each code, refer to the ºSee pageº under the respective ''DTC No.'' in the
DTC chart.
DTC No.
(See page)Detection ItemTrouble AreaMIL*1Memory
P0031
(DI-49)Oxygen Sensor Heater Control
Circuit Low (Bank 1 Sensor 1)
Open in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0032
(DI-49)Oxygen Sensor Heater Control
Circuit High (Bank 1 Sensor 1)
Short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0037
(DI-49)Oxygen Sensor Heater Control
Circuit Low (Bank 1 Sensor 2)
Open in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0038
(DI-49)Oxygen Sensor Heater Control
Circuit High (Bank 1 Sensor 2)
Short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0051
(DI-49)Oxygen Sensor Heater Control
Circuit Low (Bank 2 Sensor 1)
Open in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0052
(DI-49)Oxygen Sensor Heater Control
Circuit High (Bank 2 Sensor 1)
Short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0057
(DI-49)Oxygen Sensor Heater Control
Circuit Low (Bank 2 Sensor 2)
Open in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0058
(DI-49)Oxygen Sensor Heater Control
Circuit High (Bank 2 Sensor 2)
Short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
ECM

P0100
(DI-57)Mass or Volume Air Flow Circuit
Open or short in mass air flow meter circuit
Mass air flow meter
ECM

P0101
(DI-65)Mass or Volume Air Flow Circuit
Range/Performance ProblemMass air flow meter
P0102
(DI-57)Mass or Volume Air Flow Circuit
Low InputOpen or short in mass air flow meter circuit
Mass air flow meter
ECM

P0103
(DI-57)Mass or Volume Air Flow Circuit
High InputOpen or short in mass air flow meter circuit (+B circuit)
Mass air flow meter
ECM

Page 1396 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSENGINE
DI-37
230 Author: Date:
2004 LAND CRUISER (RM1071U)P0110
(DI-68)
Intake Air Temperature Circuit
Open or short in intake air temperature sensor circuit
Intake air temperature

- DIAGNOSTICSENGINE
DI-37
230 Author: Date:
2004 LAND CRUISER (RM1071U)P0110
(DI-68)
Intake Air Temperature Circuit
Open or short in intake air temperature sensor circuit
Intake air temperature sensor (built in mass air flow meter)
ECM

P0112
(DI-68)Intake Air Temperature Circuit
Low InputOpen or short in intake air temperature sensor circuit
Intake air temperature sensor (built in mass air flow meter)
ECM

P0113
(DI-68)Intake Air Temperature Circuit
High InputOpen or short in intake air temperature sensor circuit
Intake air temperature sensor (built in mass air flow meter)
ECM

P0115
(DI-75)Engine Coolant Temperature Cir-
cuitOpen or short in engine coolant temperature sensor circuit
Engine coolant temperature sensor
ECM

P0116
(DI-82)Engine Coolant Temperature Cir-
cuit Range/Performance Prob-
lem
Engine coolant temperature sensor
P0117
(DI-75)Engine Coolant Temperature Cir-
cuit Low InputOpen or short in engine coolant temperature sensor circuit
Engine coolant temperature sensor
ECM

P0118
(DI-75)Engine Coolant Temperature Cir-
cuit High InputOpen or short in engine coolant temperature sensor circuit
Engine coolant temperature sensor
ECM

P0120
(DI-84)Throttle Pedal Position Sensor/
Switch ºAº CircuitThrottle control motor and sensor
ECM
P0121
(DI-97)Throttle/Pedal Position Sensor/
Switch ºAº Circuit Range/Perfor-
mance Problem
Throttle control motor and sensor
P0122
(DI-84)Throttle/Pedal Position Sensor/
Switch ºAº Circuit Low Input
Throttle control motor and sensor
Short in VTA1 circuit
Open in VC circuit
ECM

P0123
(DI-84)Throttle/Pedal Position Sensor/
Switch ºAº Circuit High Input
Throttle control motor and sensor
Open in VTA1 circuit
Open in E2 circuit
VC and VTA1 circuit are short-circuited
ECM

P0125
(DI-99)Insufficient Coolant Temperature
for Closed Loop Fuel ControlCooling system
Engine coolant temperature sensor
Thermostat

P0128
(DI-102)Coolant Thermostat (Coolant
Temperature Below Thermostat
Regulating Temperature)Thermostat
Cooling system
Engine coolant temperature sensor
ECM
P0130
(DI-106)Oxygen Sensor Circuit
(Bank 1 Sensor 1)
Open or short in heated oxygen sensor circuit
Heated oxygen sensor
Heated oxygen sensor heater
EFI or ECD relay
Air induction system
Fuel pressure
Injector
ECM

Page 1397 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-38
- DIAGNOSTICSENGINE
231 Author: Date:
2004 LAND CRUISER (RM1071U)P0133
(DI-1 17)
Oxygen Sensor Circuit Slow Re-
sponse (Bank 1 Sensor 1)
Open or short in heated oxygen sensor circuit
Heate

Page 1398 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSENGINE
DI-39
232 Author: Date:
2004 LAND CRUISER (RM1071U)P0171
(DI-147)
System too Lean (Bank 1)
Air induction system
Injector blockage
Mass air flow meter
Engine coolant tempera

Page 1399 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-40
- DIAGNOSTICSENGINE
233 Author: Date:
2004 LAND CRUISER (RM1071U)P0230
(DI-162)
Fuel Pump Primary Circuit
Open or short in fuel pump relay circuit
Fuel pump relay
Circuit opening relay
F

DI-40
- DIAGNOSTICSENGINE
233 Author: Date:
2004 LAND CRUISER (RM1071U)P0230
(DI-162)
Fuel Pump Primary Circuit
Open or short in fuel pump relay circuit
Fuel pump relay
Circuit opening relay
Fuel pump
ECM
-
P0300
(DI-167)Random/Multiple Cylinder Misfire
Detected*2
P0301
(DI-167)Cylinder 1 Misfire Detected
Open or short in engine wire
*2
P0302
(DI-167)Cylinder 2 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
*2
P0303
(DI-167)Cylinder 3 Misfire Detected
Vacuum hose connection
Ignition system
Injector*2
P0304
(DI-167)Cylinder 4 Misfire Detected
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
*2
P0305
(DI-167)Cylinder 5 Misfire Detected
Engine coolant temperature sensor
Compression pressure
Valve clearance
*2
P0306
(DI-167)Cylinder 6 Misfire Detected
Valve clearance
Valve timing
PCV piping*2
P0307
(DI-167)Cylinder 7 Misfire Detected
ECM
*2
P0308
(DI-167)Cylinder 8 Misfire Detected*2
P0325
(DI-186)Knock Sensor 1 Circuit (Bank 1
or Single Sensor)Open or short in knock sensor 1 circuit
Knock sensor 1 (looseness)
ECM

P0330
(DI-186)Knock Sensor 2 Circuit (Bank 2)
Open or short in knock sensor 2 circuit
Knock sensor 2 (looseness)
ECM

P0335
(DI-191)Crankshaft Position Sensor ºAº
Circuit
Open or short in crankshaft position sensor circuit
Crankshaft position sensor
Signal plate
ECM

P0339
(DI-191)Crankshaft Position Sensor ºAº
Circuit Intermittent
Open or short in crankshaft position sensor circuit
Crankshaft position sensor
Signal plate
ECM
-
P0340
(DI-197)Camshaft Position Sensor ºAº
Circuit (Bank 1 or Single Sensor)Open or short in camshaft position sensor circuit
Camshaft position sensor
P0341
(DI-197)Camshaft Position Sensor ºAº
Circuit Range/Performance
(Bank 1 or Single Sensor)
Camshaft osition sensor
LH camshaft timing pulley
Jumping teeth of timing belt
ECM

P0351
(DI-202)Ignition Coil ºAº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 1 circuit from No. 1 ignition coil
with igniter to ECM
No. 1 ignition coil with igniter
Ignition system
ECM

P0352
(DI-202)Ignition Coil ºBº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 2 circuit from No. 2 ignition coil
with igniter to ECM
No. 2 ignition coil with igniter
Ignition system
ECM

Page 1400 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSENGINE
DI-41
234 Author: Date:
2004 LAND CRUISER (RM1071U)P0353
(DI-202)
Ignition Coil ºCº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 3 circuit from No. 3 ignition

- DIAGNOSTICSENGINE
DI-41
234 Author: Date:
2004 LAND CRUISER (RM1071U)P0353
(DI-202)
Ignition Coil ºCº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 3 circuit from No. 3 ignition
coil with igniter to ECM
No. 3 ignition coil with igniter
Ignition system
ECM

P0354
(DI-202)Ignition Coil ºDº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 4 circuit from No. 4 ignition coil
with igniter to ECM
No. 4 ignition coil with igniter
Ignition system
ECM

P0355
(DI-202)Ignition Coil ºEº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 5 circuit from No. 5 ignition coil
with igniter to ECM
No. 5 ignition coil with igniter
Ignition system
ECM

P0356
(DI-202)Ignition Coil ºFº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 6 circuit from No. 6 ignition coil
with igniter to ECM
No. 6 ignition coil with igniter
Ignition system
ECM

P0357
(DI-202)Ignition Coil ºGº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 7 circuit from No. 7 ignition coil
with igniter to ECM
No. 7 ignition coil with igniter
Ignition system
ECM

P0358
(DI-202)Ignition Coil ºHº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 8 circuit from No. 8 ignition coil
with igniter to ECM
No. 8 ignition coil with igniter
Ignition system
ECM

P0420
(DI-215)Catalyst System Efficiency Be-
low Threshold (Bank 1)Gas leakage on exhaust system
Heated oxygen sensor (bank 1 sensor 1, 2)
Three-way catalytic converter

P0430
(DI-215)Catalyst System Efficiency Be-
low Threshold (Bank 2)Gas leakage on exhaust system
Heated oxygen sensor (bank 2 sensor 1, 2)
Three-way catalytic converter

P0441
(DI-222)Evaporative Emission Control
System Incorrect Purge Flow
Vacuum hose cracks, holed, blocked, damaged or discon-
nected ((1), (2), (3), (4), (5), (6), (7), (8) and (9) in Fig. 1)
Fuel tank cap incorrectly installed
Fuel tank cap cracked or damaged
Open or short in vapor pressure sensor circuit
Vapor pressure sensor
Open or short in VSV circuit for EVAP
EVAP VSV
Open or short in VSV circuit for CCV
CCV
Open or short in VSV circuit for pressure switching valve
Pressure switching valve
Fuel tank cracked, holed or damaged
Charcoal canister cracked, holed or damaged
ECM

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