Toyota Land Cruiser

 Service Manual

Body Electrical » Headlight and taillight system
Components

INSPECTION

1. INSPECT LIGHT CONTROL SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

2. INSPECT HEADLIGHT DIMMER SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

3. INSPECT DAYTIME RUNNING LIGHT NO.3 AND NO.4 RELAY CONTINUITY

If continuity is not as specified, replace the relay

4. INSPECT ENGINE ROOM R/B RELAY CIRCUIT (See Pase BE-15 )

HINT: The (Headlight, DIM, Tail relay) is built in engine room junction block. Also the relay is constructed with a relay block that is in the junction block as a unit. To disconnect the wire harness connecting with relay block is impossible. If the relay has a malfunction, replace it with junction block assembly wire harness together.

5. Connector disconnected: INSPECT AUTOMATIC LIGHT CONTROL SENSOR CIRCUIT

Disconnect the connector from the sensor and inspect the connector on the wire harness side, as shown in the chart.

HINT:

• Ignition switch is ON.
• Light control switch is in AUTO.
• Vehicle's surroundings are bright.

If circuit is as specified, perform the inspection on the following page.

If the circuits is not as specified, inspect the circuit connected to other parts.

6. Connector disconnected: INSPECT AUTOMATIC LIGHT CONTROL SENSOR CIRCUIT

Connect the wire harness side connector to the sensor and inspect wire harness side connector from the back side, as shown.

HINT:

• Ignition switch is ON.
• Light control switch is in AUTO.
• Vehicle's surroundings are bright.

If the circuits is not as specified, try replacing the sensor with a new one.

Location

Adjustment

Components