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 ...

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IG2 Signal Malfunction (B2788)
DESCRIPTION The steering lock ECU determines the on/off status of the engine switch through the IG2 signal circuit. The steering lock ECU does not lock the steering when it receives the IG2 relay on signal. This prevents the steering from being locked wh ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT OIL PUMP OIL SEAL (a) Using SST and a hammer, tap in a new oil seal. SST: 09350-30020 09351-32140 HINT: Make sure the oil seal end is flush with the outer edge of the pump body. ...

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