Toyota 4Runner: Inspection
INSPECTION
PROCEDURE
1. INSPECT SEAT HEATER SWITCH LH
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
3 (SW) - 7 (RV) |
Switch off |
2.7 to 4.1 kΩ |
|
Switch on (Min.) |
||
|
Switch on (Max.) |
0.28 to 0.42 kΩ |
HINT:
As the dial is being turned, the resistance changes gradually.
If the result is not as specified, replace the seat heater switch.
Text in Illustration|
*a |
Component without harness connected (Seat Heater Switch) |
(b) Apply battery voltage to the switch connector, and check that the seat heater switch illuminates.
OK:
|
Measurement Condition |
Specified Condition |
|---|---|
|
Battery positive (+) → 8 (ILL+) Battery negative (-) → 2 (ILL-) |
Illuminates |
If the result is not as specified, replace the seat heater switch.
(c) Apply battery voltage to the switch connector, and check that the seat heater switch indicator illuminates.
OK:
|
Measurement Condition |
Switch Condition |
Specified Condition |
|---|---|---|
|
Battery positive (+) → 9 (IG) Battery negative (-) → 4 (E) |
Switch on |
Indicator illuminates |
If the result is not as specified, replace the seat heater switch.
2. INSPECT SEAT HEATER SWITCH RH
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
2 (SW) - 5 (RV) |
Switch off |
2.7 to 4.1 kΩ |
|
Switch on (Min.) |
||
|
Switch on (Max.) |
0.28 to 0.42 kΩ |
HINT:
As the dial is being turned, the resistance changes gradually.
If the result is not as specified, replace the seat heater switch.
Text in Illustration|
*a |
Component without harness connected (Seat Heater Switch) |
(b) Apply battery voltage to the switch connector, and check that the seat heater switch illuminates.
OK:
|
Measurement Condition |
Specified Condition |
|---|---|
|
Battery positive (+) → 6 (ILL+) Battery negative (-) → 1 (ILL-) |
Illuminates |
If the result is not as specified, replace the seat heater switch.
(c) Apply battery voltage to the switch connector, and check that the seat heater switch indicator illuminates.
OK:
|
Measurement Condition |
Switch Condition |
Specified Condition |
|---|---|---|
|
Battery positive (+) → 7 (IG) Battery negative (-) → 3 (E) |
Switch on |
Indicator illuminates |
If the result is not as specified, replace the seat heater switch.
Components
COMPONENTS
ILLUSTRATION
...
Removal
REMOVAL
PROCEDURE
1. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY
2. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY (for VF2A)
3. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY
4. REMOVE SEAT HEATER SWITCH
...
Other materials about Toyota 4Runner:
Brake
General Maintenance
GENERAL MAINTENANCE
PROCEDURE
1. INSPECT BRAKE LINE PIPES AND HOSES
HINT:
Work in a well-lighted area. Turn the front wheels fully to the right or left
before beginning the inspection.
(a) Using a mirror, check the enti ...
Horn Circuit
DESCRIPTION
When the theft deterrent system is in the alarm sounding state, the main body
ECU outputs a signal repeatedly at 0.4 second intervals, causing the horn(s) to
sound.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HORN OPERATION
...
0.0066