TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the Brake Fluid Level Switch harness connector.
Connect a jumper wire between cavity 1 and cavity 2.
Turn the ignition on.
Does the Brake warning indicator illuminate?
All
Yes → Replace the Brake Fluid Level Switch in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 5
5 Turn the ignition off.
Disconnect the Brake Fluid Level Switch harness connector.
Measure the resistance between ground and the Brake Fluid Level Switch Ground
circuit.
Is the resistance above 5.0 ohms?
All
Yes → Repair the Brake Fluid Level Switch Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 6
6 Turn the ignition off.
Disconnect the Brake Fluid Level Switch harness connector.
Disconnect the ABS Module harness connector, (C2 for ABS equipped vehicles).
Measure the resistance of the Brake Fluid Level Switch Sense circuit.
Is the resistance above 5.0 ohms?
All
Yes → Repair the Brake Fluid Level Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 7
7 Turn the ignition off.
Disconnect the CAB harness connector, (C2 for ABS equipped vehicles).
Connect a jumper wire between the Brake Fluid Level Switch Sense circuit and
ground.
With the DRBIIIt in Inputs/Outputs, read the Fluid Level Switch state.
Does the DRBIIIt display 9Closed9?
All
Yes → Replace and configure the Instrument Cluster in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No → Replace the CAB Module in accordance with the Service Informa-
tion.
Perform BODY VERIFICATION TEST - VER 1.
448
INSTRUMENT CLUSTER
*BRAKE WARNING INDICATOR INOPERATIVE — Continued
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