Page 1164 of 3115
A21040
Reference (Bank 1 Sensor 1 System Drawing)
From
BatteryEFI or ECD
No. 1 FuseEFI or ECD
RelayEFI or ECD
No. 2 FuseHeater Oxygen
Sensor
Heater
SensorHT1A
OX1A
E2
MRELECM
- DIAGNOSTICSENGINE
DI-1 15
308 Author: Date:
2004 LAND CRUISER (RM1071U)
NG Repair or replace harness or connector.
OK
6 Check air induction system (See page SF-1).
CHECK:
Check the air induction system for vacuum leaks.
NG Repair or replace
air induction system.
OK
7 Check fuel pressure (See page SF-7).
CHECK:
Check the fuel pressure (high or low pressure).
NG Check and repair fuel pump, pressure regulator,
fuel pipe line and filter (See page SF-1).
OK
Page 1176 of 3115
A21040
Reference (Bank 1 Sensor 1 System Drawing)
From
BatteryEFI or ECD
No. 1 FuseEFI or ECD
RelayEFI or ECD
No. 2 FuseHeater Oxygen
Sensor
Heater
SensorHT1A
OX1A
E2
MRELECM
- DIAGNOSTICSENGINE
DI-127
320 Author: Date:
2004 LAND CRUISER (RM1071U)
NG Repair or replace harness or connector.
OK
6 Check air induction system (See page SF-1).
CHECK:
Check the air induction system for vacuum leaks.
NG Repair or replace air induction system.
OK
7 Check fuel pressure (See page SF-7).
CHECK:
Check the fuel pressure (high or low pressure).
NG Check and repair fuel pump, pressure regulator,
fuel pipe line and filter (See page SF-1).
OK
Page 1185 of 3115
DI-136
- DIAGNOSTICSENGINE
329 Author: Date:
2004 LAND CRUISER (RM1071U)
7 Check whether misfire is occurred or not by monitoring DTC and data list.
NG Perform troubleshooting for misfire
(See page DI-167).
OK
8 Check air induction system (See page SF-1).
CHECK:
Check the air induction system for vacuum leaks.
NG Repair or replace air induction system.
OK
9 Check fuel pressure (See page SF-7).
CHECK:
Check the fuel pressure (high or low pressure).
NG Check and repair fuel pump, pressure regulator,
fuel pipe line and filter (See page SF-1).
OK
10 Check injector injection (See page SF-24)
NG Replace injector.
OK
Page 1203 of 3115
DI-154
- DIAGNOSTICSENGINE
347 Author: Date:
2004 LAND CRUISER (RM1071U)
7 Check fuel pressure (See page SF-7).
CHECK:
Check the fuel pressure (high or low pressure).
NG Check and replace fuel pump, pressure regula-
tor, fuel pipe line and filter (See page SF-1).
OK
8 Check exhaust system for gas leakage.
NG Repair or replace exhaust gas leakage point.
OK
Page 1232 of 3115
- DIAGNOSTICSENGINE
DI-183
376 Author: Date:
2004 LAND CRUISER (RM1071U)
15 Check valve timing (Check for looseness or a jumped tooth of timing belt)
(See page EM-22).
NG Adjust valve timing (Repair or replace timing
belt).
OK
16 Check fuel pressure (See page SF-7).
NG Check and repair fuel pump, pressure regulator,
fuel pipe line and filter (See page SF-1).
OK
Page 2475 of 3115
MA02S-01
MA-6
- MAINTENANCEENGINE
54 Author: Date:
2004 LAND CRUISER (RM1071U)
ENGINE
INSPECTION
HINT:
Inspect these items when the engine is cold.
1. REPLACE TIMING BELT (See page EM-15)
2. INSPECT VALVE CLEARANCE (See page EM-4)
3. INSPECT DRIVE BELT (See page CH-2)
4. REPLACE ENGINE OIL AND OIL FILTER (See page LU-2)
5. REPLACE ENGINE COOLANT (See page CO-2)
6. INSPECT EXHAUST PIPES AND MOUNTINGS
Visually inspect the pipes, hangers and connections for severe corrosion, leaks or damage.
7. REPLACE AIR CLEANER FILTER
Replace the air cleaner filter with a new one.
8. INSPECT FUEL LINES, CONNECTIONS AND FUEL VAPOR CONTROL VALVE (See page
EC-5)
Visually inspect the fuel lines for cracks, leakage loose connections, deformation or tank band looseness.
9. INSPECT GASKET IN FUEL TANK CAP (See page EC-5)
10. REPLACE SPARK PLUGS (See page IG-1)
11. California, Massachusetts and New York:
INSPECT CHARCOAL CANISTER (See page EC-5)
Page 2645 of 3115
B16439
Fuel Pump Filter
Clip
Rubber CushionFuel Suction Plate
with Sender Gauge
Lead Wire
Fuel Hose
Fuel Pump
Non-reusable part SF-12
- SFIFUEL PUMP
1711 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 2646 of 3115

B04997
Push
SF0XY-04
B16442
B16443
Insert Insert Insert
B16444
Clip
Clip
- SFIFUEL PUMP
SF-15
1714 Author: Date:
2004 LAND CRUISER (RM1071U)
INSTALLATION
1. INSTALL FUEL PUMP FILTER TO FUEL PUMP
Install the pump filter with a new clip.
2. INSTALL FUEL PUMP TO FUEL PUMP BRACKET
(a) Install the rubber cushion to the fuel pump.
(b) Connect the fuel hose to the outlet port of the fuel pump.
(c) Install the fuel pump by pushing the lower side of the fuel
pump.
3. INSTALL LEAD WIRE TO FUEL PUMP
4. INSTALL FUEL PUMP AND SENDER GAUGE AS-
SEMBLY TO FUEL TANK
(a) Install a new gasket to the fuel suction plate.
(b) Insert the fuel pump and the sender gauge assembly into
the fuel tank.
(c) Install the fuel tank vent tube set plate with the 8 bolts.
Torque: 3.5 N´m (35 kgf´cm, 31 in.´lbf)
5. CONNECT FUEL MAIN TUBE AND RETURN TUBE
(FUEL TUBE CONNECTORS) TO FUEL SUCTION
PLATE
(a) Before installing the tube connectors, check foreign mat-
ters on the connection between the nylon tube and the
suction plate.
(b) Attach the fuel tube connectors to the ports of the fuel suc-
tion plate and insert the clips until you hear a click.
(c) After the connection, pull out the clips to check to see that
they are installed securely.
6. CONNECT FUEL PUMP & SENDER GAUGE CONNEC-
TOR
7. CHECK FOR FUEL LEAKS (See page SF-1)
8. INSTALL REAR FLOOR SERVICE HOLE COVER
(a) Install the rear service hole cover with the 2 screws.
(b) Cover the rear and front floor carpets.
9. INSTALL REAR DOOR SCUFF PLATES, STEP
PLATES AND REAR SEAT LOCK COVERS
10. INSTALL NO.1 REAR SEATS