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 ...
Other materials about Toyota 4Runner:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Open Circuit in IG1/IG2 Power Source Circuit (C1242)
DESCRIPTION
If there is a problem with the master cylinder solenoid (skid control ECU) power
supply circuit, the skid control ECU stores DTCs and prohibits operation under the
fail-safe function.
If the voltage supplied to the IG2 terminal is within the ...
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