Brake

Inspection

~1min read
INSPECTION PROCEDURE

1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY

(a) Apply battery voltage to the brake booster pump cables, and check the operation of the pump motor.

OK::

Measurement Condition

Specified Condition

Battery positive (+) voltage → Red cable terminal

Pump motor operates

Battery negative (-) voltage → Black cable terminal

Text in Illustration

*1

Red Cable

*2

Black Cable

If the result is not as specified, replace the brake booster pump assembly.

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.