Toyota 4Runner manuals

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:

Short in Front Passenger Side Squib 2nd Step Circuit (B1815/54-B1818/54)
DESCRIPTION The front passenger side squib 2nd step circuit consists of the center airbag sensor and instrument panel passenger airbag. The circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is ...

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION (a) The steering lock system locks or unlocks the steering by activating the steering lock bar with a motor. The steering lock ECU activates the motor based on signals from the certification ECU and power management cont ...

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