Service Brake Fluid Switch and Brake Telltale

Brake Fluid Level Switch Circuit:

CIRCUIT DESCRIPTION:
Same as "LOW BRAKE FLUID."

TEST CONDITION(S):
1. Ignition 3 "ON."

FAILURE CONDITION(S):
Brake fluid level switch voltage greater than 3.5 volts for more than 3 seconds.

ACTION TAKEN:
1. Turn on "BRAKE" telltale on IPC.
2. Display the "SERVICE BRAKE FLUID SWITCH" message on the CCDIC.

Condition Possible Causes

Erroneous Message Open in CKT 853, or CKT 736