Last Modified: 06-02-2026 6.11:8.1.0 Doc ID: RM100000001F8X6
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: METER / GAUGE / DISPLAY: LIGHT CONTROL RHEOSTAT: INSPECTION; 2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]

INSPECTION

PROCEDURE

1. INSPECT LIGHT CONTROL RHEOSTAT

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection

Condition

Specified Condition

4 (TR) - 2 (E)

Light control rheostat knob fully downwards (MIN.)

Below 50 Ω

Light control rheostat knob between MIN. and MAX.

The value changes gradually (Between 0 to 12 kΩ)

Light control rheostat knob fully upwards (MAX.)

8 to 12 kΩ

3 (TC) - 2 (E)

Light control rheostat knob not fully upward

Below 50 Ω

Light control rheostat knob fully upwards (Tail cancel switch is on)

8 to 12 kΩ

If the result is not as specified, replace the light control rheostat.

*a

Component without harness connected

(Light Control Rheostat)

(b) Check the illumination.

(1) Apply auxiliary battery voltage to the light control rheostat and check that it illuminates.

OK

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 6 (ILL+)

Auxiliary battery negative (-) → Terminal 1 (ILL-)

Illuminates

If the result is not as specified, replace the light control rheostat.

*a

Component without harness connected

(Light Control Rheostat)