Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

Check the Night View Relay.

PREPARATION:

Remove the Night View Relay from the engine room relay block.

CHECK:

Check continuity of the Night View Relay.

OK:

Continuity:

SPECIFIED CONDITION

Condition	Tester connection	Specified condition
Always	1-2	Continuity
Apply B+ between terminals 3 and 5.	3-5	Continuity

Fig 1: Checking Night View Relay

NG : Replace Night View Relay.
OK : Go to next step

Check voltage between terminal LAMP and body ground of the Night View ECU.
PREPARATION:
1. Remove the combination meter.
2. Turn the ignition switch to ON.
CHECK:

Fig 2: Identifying Battery ECU Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminal LAMP and body ground of the Night View ECU.

OK:
1. Voltage: 0 V
Fig 3: Identifying Night View ECU Terminal LAMP
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG : Check and replace Night View ECU.
2. OK : Repair or replace wire harness or connector.