Circuit Protection; Reset Circuit Breaker; Remove Circuit Breaker - Toyota Automobile Electrical Repair And Modification

A–8

CIRCUIT PROTECTION

All electrical circuits are protected against excessive loads which might occur because of shorts or
overloads in the wiring system. Such protection is provided by a fuse, circuit breaker, or fusible link, A
short circuit may cause a fuse to blow or a circuit breaker to open.
A
Equal Amperage Rating
12
INTRODUCTION–CIRCUIT PROTECTION
Push
Wire Harness Repair Manual (RM1022E)

RESET CIRCUIT BREAKER

1.

Remove Circuit Breaker

(a) Disconnect the negative (–) cable from the battery.
(b) Remove the circuit breaker.
2. Reset Circuit Breaker
(a) Insert the needle into the reset hole and push it.
(b) Using an ohmmeter, check that there is continuity
between both terminals of the circuit breaker.
If continuity is not as specified, replace the circuit breaker.
HINT: If replacing the circuit breaker, be sure to replace
it with a breaker with an equal amperage rating.
3. Install Circuit Breaker
(a) Install the circuit breaker.
(b) Connect the negative (–) cable to the battery.
HINT: If a circuit breaker continues to cut out, a short
circuit is indicated. Have the system checked by a qualified
technician.