Toyota CH-R Service Manual: Light Control Rheostat

Components

COMPONENTS

ILLUSTRATION

*1

LIGHT CONTROL RHEOSTAT

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Removal

REMOVAL

PROCEDURE

1. REMOVE FUSE BOX OPENING COVER

Click here

2. REMOVE LIGHT CONTROL RHEOSTAT

(a) Disengage the claws to remove the light control rheostat as shown in the illustration.

Remove in this Direction

Inspection

INSPECTION

PROCEDURE

1. INSPECT LIGHT CONTROL RHEOSTAT

(a) Inspect the light control rheostat.

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

7 (T) - 1 (E)

Always

8 to 12 kΩ

3 (RV) - 1 (E)

Knob turned fully upward

8 to 12 kΩ

3 (RV) - 1 (E)

Knob turned fully downward

Below 50 Ω

3 (RV) - 1 (E)

Knob turned from fully upward to fully downward

8 to 12 kΩ → Below 50 Ω

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

*a

Component without harness connected

(Light Control Rheostat)

*b

Knob

(b) Inspect the TAIL cancel switch.

HINT:

The TAIL cancel switch is built into the light control rheostat.

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

7 (T) - 5 (TC)

Knob turned fully upward

(TAIL cancel condition)

10 kΩ or higher

7 (T) - 5 (TC)

Knob not turned fully upward

Below 1 Ω

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

*a

(Light Control Rheostat)

Component without harness connected

*b

Knob

Installation

INSTALLATION

PROCEDURE

1. INSTALL LIGHT CONTROL RHEOSTAT

(a) Engage the claws to install the light control rheostat as shown in the illustration.

Install in this Direction

2. INSTALL FUSE BOX OPENING COVER

Click here

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    Meter / Gauge System
    ...

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