Inspect Limit Switch Continuity

a. Connect the actuator connector.

b. Push the 2WD/4HI switch and check that the 4WD indicator light comes on after it is blinking.

c. Check the differential vacuum actuator operation by sound.

d. Disconnect the actuator connector.

e. Check the continuity between each terminal, as shown in the chart. ACTUATOR SPECIFIED CONDITION

Tester connected terminal number

Specified condition

1 - 3

No continuity

1 - 4

No continuity

3 - 5

Continuity

4 - 5

No continuity

f. Connect the actuator connector.

Fig. 165: Pushing 2WD/4HI Switch & Check That 4WD Indicator Light Comes On After It Is Blinking

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 165: Pushing 2WD/4HI Switch & Check That 4WD Indicator Light Comes On After It Is Blinking

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

g. Push the 2WD/4HI switch and check that the 4WD indicator light goes off after it is blinking.

2007 DRIVELINE/AXLES Differential - Sequoia h. Check the differential vacuum actuator operation by sound.

i. Disconnect the actuator connector.

j. Check the continuity between each terminal, as shown in the chart.

Was this article helpful?

0 0
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment