Electrical Equipment and Appliances Toyota Land Cruiser 70

General information about electrical equipment
Color coding of wires Code Color Code Color IN black ABOUT orange BR brown R pink G green R red GR grey V violet L blue W white LG light green Y yellow Note: for two-letter code (for example: RG) the first letter...

Location of relays and fuses
1 - fuse box, 2 - distribution box, 3 - relay box. Note: Items marked with *¹, only in European models. Elements marked *² are only available in modifications. Junction box Terminals: A ACC ignition switch ACC terminal...

Ignition switch
Checking the ignition switch Check for continuity between the terminals of the ignition switch connector. Replace the switch if it does not operate as specified in the table. Note: Items marked with *¹: for models with...

Lighting system
Combination switch. 1 - ball holder, 2 - ball, 3 - spring, 4 - light control switch, 5 - headlight switch, 6 - windshield wiper and washer switch, 7 - turn signal switch, 8 - connector, 9 - wire holder. Lighting system....

Windscreen washers and wipers
Headlight wipers 1. Checking the switch. a) Check for continuity between the connector terminals when the switch is in the "OFF" position, b) Check for continuity between the connector terminals when the switch is in...

Instrument cluster
1 - air filter blockage sensor, 2 - fuel filter water presence sensor, 3 - vacuum switch in the brake booster, 4 - low brake fluid level switch, 5 - boost pressure switches, 6 - speed alarm sound sensor, 7 - fuel filter...

Checking the speedometer
1. Checking the speedometer (by car). a) Using a standard speedometer, check the speedometer for error and check the operation of the odometer. Note: If the tread is worn or the tire pressure is incorrect, the error in...

Checking the tachometer
1. Checking the tachometer (by car), a) Connect the adjustment control tachometer and start the engine. Note: Reversing the polarity when connecting the tachometer will result in failure of the transistors and diodes....

Voltmeter check
Compare the readings of the control and standard voltmeters. Replace the voltmeter if the error is excessive.

Checking the fuel level indication system
1. Checking the operation of the pointer. a) Disconnect the connector from the fuel level sensor in the tank. b) Turn on the ignition. The fuel level indicator arrow should move to the "EMPTY" position. c) Connect a...

Checking the low fuel level indicator system
1. Checking the indicator. a) Disconnect the connector from the fuel level sensor. b) Short-circuit terminals 1 and 3 of the connector on the wire side. c) Turn on the ignition: the indicator should light up. d) If the...

Checking the Water in Fuel Filter Warning System
1. Checking the indicator. a) Disconnect the connector from the fuel filter switch sensor. Short-circuit the connector terminals on the wire side. b) Remove the "CHARGE" fuse and turn on the "ignition". The "FILTER"...

Checking the coolant temperature indication system
1. Checking the operation of the pointer. a) Disconnect the wire from the coolant temperature sensor terminal. b) Turn on the ignition: the pointer arrow should remain on the "COOL" mark. c) Using a 3.4 W test lamp,...

Checking the oil pressure indication system
1. Checking the operation of the pointer. a) Disconnect the sensor connector. b) Turn on the ignition: the pointer should be on the "LOW" mark (low pressure). c) Connect one lead of the 3.4W test lamp to the connector...

Checking the low oil pressure indicator system
1. Checking the indicator operation. a) Disconnect the connector from the low oil pressure switch. Ground the connector on the wire side. b) Turn on the ignition: the indicator should light. If the indicator does not...

Checking the low oil level indicator system
Oil Level Indication System Control Unit Circuit Test Table. Models 2L-T and 1KZ-Tproduced since 1993 1. Checking the indicator. a) Disconnect the connector from the oil level sensor. b) Ground terminal 2 of the...

Checking the parking brake engagement indicator system
1. Checking the indicator. a) Disconnect the connector from the sensor and then ground the connector on the wire side. b) Turn on the ignition: the indicator should light. If the indicator does not light, check the...

Checking the brake system status indicator system
1. Checking the indicator. a) Disconnect the connector from the parking brake switch (for models with parking brake indicator). b) Disconnect the connectors from the low brake fluid switch and the vacuum switch in the...

Testing the lamp test relay (modifications)
Check the continuity between the relay terminals. Replace the relay if the continuity is different from the table.

Checking the open or loose door indicator system
Note: For the tailgate, the indicator and limit switch are checked in the same way. 1. Checking the indicator. a) Disconnect the connector from the door limit switch. Ground the connector on the wire side. b) Turn on...

Checking the timing belt replacement indication system
1. Checking the indicator a) Set the ignition switch to the "ON" position and check that the indicator lights up. If the indicator does not light up, check the indicator lamp. b) Start the engine: the indicator should...

Checking the seat belt reminder system
Seat belt indicator relay test table. 1. Checking the indicator. a) Disconnect the connector from the relay. b) Ground terminal 5 of the connector on the wire side. c) Turn on the ignition: the indicator should light...

Checking the turbocharging system status indicator system
1. Checking the operation of the indicators (see the relevant paragraph in the chapter " Turbocharging system "). 2. Checking the operation of pressure switches. a) Disconnect the hose from the compressor inlet pipe and...

Checking the air filter replacement indicator system
1. Checking the indicator. a) Disconnect the connector from the sensor switch. Short-circuit terminals 1 and 2 of the connector on the wiring side. b) Start the engine: the indicator should light up. If the indicator...

Checking the instrument cluster illumination rheostat
1. Connect a 3.4W test lamp to terminals 1 and 3 of the connector. 2. Connect the battery to terminals 3 (+) and 2 (-) of the connector. 3. Gently turn the rheostat handle clockwise: the control lamp should gradually...

Checking the thermometer
1. Checking the temperature sensors inside and outside the cabin. a) Measure the resistance between terminals 1 and 2 of the connector. b) If the resistance differs from the specified one, replace the corresponding...

Rear door glass heater
Cabin temperature sensor test table. °C -30 -20 -10 0 10 20 30 40 50 60 70 Resistance 6,24 3,68 2,25 1.41 0,42 0,61 0,41 0,29 0,20 0,15 0,11 Table for checking the outside temperature sensor. °C -30 -20 -10 0 10 20 30...

Electric windows
Central locking and electric windows. 1 - fuse box (fuses "POWER" and "DOOR"); 2 - Central locking switch; 4 - electric motor for window glass drive; 5 - electric door lock drive; 6 - electric drive of the rear door...

Central lock
Table for testing the automatic window lifter relay. Door Lock Control Relay Circuit Test Table. Checking switches 1. Checking the switch. a) Check the conductivity of the switch circuits according to the table. b)...

Luke — checking switches, checking electric drive
Hatch Control Relay Test Table (long wheelbase models). Note: There is resistance in the position marked * because an electric motor is included in the circuit. Hatch Control Relay Test Table (short wheelbase models)....

Mirror adjustment system
Mirror adjustment system switch test table. Checking the switch Check the continuity according to the table. If the continuity of the circuits is broken, replace the switch. Checking the electric drive 1. Connect the...

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