1998 TOYOTA LAND CRUISER Factory Repair Manual

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Page 1401 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-42
- DIAGNOSTICSENGINE
235 Author: Date:
2004 LAND CRUISER (RM1071U)P0442
(DI-245)
Evaporative Emission Control
System Leak Detected (Small
Leak)
After the negative pressure introduction has be

DI-42
- DIAGNOSTICSENGINE
235 Author: Date:
2004 LAND CRUISER (RM1071U)P0442
(DI-245)
Evaporative Emission Control
System Leak Detected (Small
Leak)
After the negative pressure introduction has been completed, if
the pressure in the EVAP system sharply increases.
Hose or tube cracked, holed, damaged or loose seal ((3) in
Fig. 1)
Fuel tank cap incorrectly installed
Fuel tank cap cracked or damaged
Vacuum hose cracked, holed, blocked, damaged or discon-
nected ((1), (2), (4), (5), (6), (7), (8) and (9) in Fig. 1)
Fuel tank cracked, holed or damaged
Charcoal canister cracked, holed or damaged
Open or short in vapor pressure sensor circuit
Vapor pressure sensor
ECM

P0446
(DI-222)Evaporative Emission Control
System Vent Control CircuitSame as DTC No. P0441
P0451
(DI-268)Evaporative Emission Control
System Pressure Sensor/Switch
Range/PerformanceOpen or short in vapor pressure sensor circuit
Vapor pressure sensor
ECM

P0452
(DI-268)Evaporative Emission Control
System Pressure Sensor/Switch
Low InputOpen in vapor pressure sensor circuit
Vapor pressure sensor
ECM

P0453
(DI-268)Evaporative Emission Control
System Pressure Sensor/Switch
High InputShort in vapor pressure sensor circuit
Vapor pressure sensor
ECM

P0455
(DI-245)Evaporative Emission Control
System Leak Detected (Gross
Leak)
Same as DTC No. P0442
P0456
(DI-245)Evaporative Emission Control
System Leak Detected (Very
Small Leak)
Same as DTC No. P0442
P0500
(DI-274)Vehicle Speed Sensor ºAºCombination meter
Open or short in vehicle speed sensor circuit
P0503
(DI-274)Vehicle Speed Sensor ºAº Inter-
mittent/Erratic/High
Oen or short in vehicle s eed sensor circuit
Vehicle speed sensor
ECM-
P0504
(DI-278)Brake Switch ºAº/ºBº Correlation
Short in stop lamp switch signal circuit
STOP fuse
Stop lamp switch
ECM
-
P0505
(DI-286)Idle Air Control System
Air induction system
Electric throttle control system
PCV hose connection

P0560
(DI-290)System Voltage
Back-up power source circuit
EFI or ECD No. 1 fuse
ECM

P0571
(DI-993)Brake Switch ºAº Circuit
Stop light switch signal circuit
Stop light switch
ECM
-
P0604
(DI-294)Internal Control Module Random
Access Memory (RAM) ErrorECM
P0606
(DI-294)ECM/PCM ProcessorECM
P0607
(DI-294)Control Module PerformanceECM

Page 1402 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSENGINE
DI-43
236 Author: Date:
2004 LAND CRUISER (RM1071U)P0617
(DI-296)
Starter Relay Circuit High
Park/neutral position switch
Starter relay circuit
Ignition switch
ECM

P0657

- DIAGNOSTICSENGINE
DI-43
236 Author: Date:
2004 LAND CRUISER (RM1071U)P0617
(DI-296)
Starter Relay Circuit High
Park/neutral position switch
Starter relay circuit
Ignition switch
ECM

P0657
(DI-294)Actuator Supply Voltage Circuit /
OpenECM
P0724
(DI-424)Brake Switch ºBº Circuit High
Short in stop light switch signal circuit
Stop light switch
ECM

P2102
(DI-302)Throttle Actuator Control Motor
Circuit LowOpen in throttle control motor and sensor circuit
Throttle control motor and sensor
ECM

P2103
(DI-302)Throttle Actuator Control Motor
Circuit High
Short in throttle control motor and sensor circuit
Throttle control motor and sensor
Throttle valve
Throttle body
ECM

P2111
(DI-306)Throttle Actuator Control System
- Stuck Open
Throttle control motor and sensor circuit
Throttle control motor and sensor
Throttle valve
Throttle body

P2112
(DI-306)Throttle Actuator Control System
- Stuck Closed
Throttle control motor and sensor circuit
Throttle control motor and sensor
Throttle valve
Throttle body

P2118
(DI-310)Throttle Actuator Control Motor
Current Range/PerformanceOpen in throttle control motor and sensor power source circuit
ETCS fuse
ECM

P2119
(DI-315)Throttle Actuator Control Throttle
Body Range/PerformanceElectric throttle control system
Throttle body
P2120
(DI-318)Throttle/Pedal Position Sensor/
Switch ºDº CircuitAccelerator pedal position sensor
ECM
P2121
(DI-331)Throttle/Pedal Position Sensor/
Switch ºDº Circuit Range/Perfor-
mance
Accelerator pedal position sensor
P2122
(DI-318)Throttle/Pedal Position Sensor/
Switch ºDº Circuit Low Input
Accelerator pedal position sensor
VCPA circuit open
VPA circuit open or ground short
ECM

P2123
(DI-318)Throttle/Pedal Position Sensor/
Switch ºDº Circuit High InputAccelerator pedal position sensor
EPA circuit open
ECM

P2125
(DI-318)Throttle/Pedal Position Sensor/
Switch ºEº CircuitAccelerator pedal position sensor
ECM
P2127
(DI-318)Throttle/Pedal Position Sensor/
Switch ºEº Circuit Low Input
Accelerator pedal position sensor
VCP2 circuit open
VPA2 circuit open or ground short
ECM

P2128
(DI-318)Throttle/Pedal Position Sensor/
Switch ºEº Circuit High InputAccelerator pedal position sensor
EPA circuit open
ECM

P2135
(DI-84)Throttle Pedal Position Sensor/
Switch ºAº / ºBº Voltage Correla-
tionVTA1 and VTA2 circuit are short-circuited
Throttle control motor and sensor
ECM

Page 1403 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-44
- DIAGNOSTICSENGINE
237 Author: Date:
2004 LAND CRUISER (RM1071U)P2138
(DI-318)
Throttle Pedal Position Sensor/
Switch ºDº / ºEº Voltage Correla-
tionVPA and VPA2 circuit are short circ

Page 1404 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI078-23
Vehicle Brought to Workshop
Customer Problem Analysis P. DI-2
Problem Symptom Confirmation
If the engine does not start perform steps 10 and 12 firstConnect the OBD II scan tool or hand-held

Page 1405 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI1L5-18
A21338
Fuel Pump Resister Knock Sensor 2
Heated Oxygen Sensor
(Bank 1 Sensor 1) Heated Oxygen Sensor
(Bank 2 Sensor 1)VSV for EVAP
Combination Meter
Ignition Coil with Igniter
ECMKnock Sensor

Page 1406 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DIC20-01
A05658
A07061DLC3
Hand-Held Tester
- DIAGNOSTICSENGINE
DI-3
196 Author: Date:
PRE-CHECK
1. DIAGNOSIS SYSTEM
(a) Description
When troubleshooting On-Board Diagnostic (OBD
ll) vehicles, the

Page 1407 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-4
- DIAGNOSTICSENGINE
197 Author: Date:
The diagnosis system operates in ºnormal modeº
during normal vehicle use. In ºnormal modeº, 2 trip
detection logic* is used to ensure accurate detec

Page 1408 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual A04550
12 345678
11 12 13 14 15 16 910
DLC3
- DIAGNOSTICSENGINE
DI-5
198 Author: Date:
(b) Check the DLC3.
The vehicles ECM uses the ISO 9141-2 for communica-
tion protocol. The terminal arrangemen

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