Toyota 4Runner: Light Control Rheostat
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LIGHT CONTROL RHEOSTAT (w/o TAIL Cancel Switch)
(a) 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) |
Light control rheostat fully turned upward → fully turned downward |
8 to 12 kΩ → Below 50 Ω |
If the result is not as specified, replace the rheostat.
2. INSPECT LIGHT CONTROL RHEOSTAT (w/ TAIL Cancel Switch)
(a) 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 |
|
5 (TC) - 7 (T) |
TAIL cancel switch off → on |
Below 50 Ω → 8 to 12 kΩ |
|
3 (RV) - 1 (E) |
Light control rheostat fully turned upward → fully turned downward |
8 to 12 kΩ → Below 50 Ω |
If the result is not as specified, replace the rheostat.
Installation
INSTALLATION
PROCEDURE
1. INSTALL LIGHT CONTROL RHEOSTAT
(a) Attach the 2 claws to install the rheostat.
2. INSTALL NO. 2 SWITCH HOLE BASE
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Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 2 SWITCH HOLE BASE
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2. REMOVE LIGHT CONTROL RHEOSTAT
|
(a) Detach the 2 claws and remove the rheostat. |
|
Combination Meter
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after di ...
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Meter Illumination is Always Dark
DESCRIPTION
This inspection is only for vehicles with automatic light control.
The meter CPU receives signals from this circuit to adjust the illumination of
the meter, instrument panel and accessory meter assembly. The meter CPU sets the
illumination le ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN
COLLISION)
(a) Perform a diagnostic system check (See page
).
(b) With the lower No. 2 instrument panel airbag installed on the vehicle, perf ...
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