1998 TOYOTA LAND CRUISER Factory Repair Manual

Page 1137 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual DI-88
- DIAGNOSTICSENGINE
281 Author: Date:
2004 LAND CRUISER   (RM1071U)
TYPICAL MALFUNCTION THRESHOLDS
Detection CriteriaThreshold
P0120:
VTA1 voltage0.2 V or less or 4.8 V or more (2 sec. or more

Page 1138 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual A21362
T16
Throttle Control 
Motor and Sensor
4
6
1
228
18
31
21
2
3
17 E5ECM
E2
VC
VTA2
VTA1 3
5
(Shielded)L-R
M-
M+
GE01 E5
E5
E5
E7
E7
E7 BR-W 3
BR-W
L-RIf1
If14
Y-B
R-Y
W
R E2
VC
VTA2
VTA
M-
M+
-

Page 1139 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual DI-90
- DIAGNOSTICSENGINE
283 Author: Date:
2004 LAND CRUISER   (RM1071U)
Hand-held  tester:
1 Connect  hand-held  tester, and read the voltage for throttle position sensor data.
PREPARATION:
(a) Co

Page 1140 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual A21022
Throttle Body Connector
VC VTA2VTA
E2 Wire Harness Side
T16
Front View
A21023
VC
E2
E5
ECM Connector
- DIAGNOSTICSENGINE
DI-91
284 Author: Date:
2004 LAND CRUISER   (RM1071U)
2 Check for open

Page 1141 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual A21022
Throttle Body Connector
VC VTA2VTA
E2
T16
Front View Wire Harness Side:
A21038
E2 (-) VC (+)E5ECM Connector
DI-92
- DIAGNOSTICSENGINE
285 Author: Date:
2004 LAND CRUISER   (RM1071U)
3 Check v

Page 1142 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual - DIAGNOSTICSENGINE
DI-93
286 Author: Date:
2004 LAND CRUISER   (RM1071U)
5 Check if DTC output recur.
PREPARATION:
(a) Clear the DTC (See page DI-3).
(b) Start the engine.
(c) Run the engine at idl

Page 1143 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual A21022
Throttle Body Connector
VC VTA2VTA
E2
T16
Wire Harness Side
Front View
A21023ECM Connector E5
VC
VTA1VTA2
E2
DI-94
- DIAGNOSTICSENGINE
287 Author: Date:
2004 LAND CRUISER   (RM1071U)
OBD II s

Page 1144 of 3115

TOYOTA LAND CRUISER 1998  Factory Repair Manual A21022
Throttle Body Connector
VC VTA2VTA
E2
T16
Front View Wire Harness Side:
A21038
E2 (-) VC (+)E5ECM Connector
- DIAGNOSTICSENGINE
DI-95
288 Author: Date:
2004 LAND CRUISER   (RM1071U)
2 Check v