Chrysler PT Cruiser 2001 Service Manual Supplement page 1841

INSTRUMENT CLUSTER
*RED BRAKE WARNING INDICATOR NOT OPERATING PROPERLY —
Continued
TEST
2 Disconnect the Brake Warning Indicator Switch connector.
Turn the ignition off.
Measure the resistance of the Ground circuit to body ground..
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Repair the open ground wire.
No
3 Turn the ignition off.
Disconnect the Brake Warning Indicator Switch from the brake fluid reservoir.
Disconnect the Powertrain Control Module C2 connector.
Measure the resistance of the Red Brake Warning Indicator Driver circuit between
the PCM C2 connector and the Switch connector.
Is the resistance below 5.0 ohms?
Yes → Go To 4
→ Repair the open Red Brake Warning Indicator Driver circuit.
No
4 Disconnect the Brake Fluid Level Switch connector.
Connect a jumper wire between Red Brake Warning Indicator Driver and Ground
circuits in the Brake Fluid Level Switch connector.
Turn the ignition on.
Did the Red Brake Warning Indicator come on?
Yes → Replace the Brake Fluid Level Switch.
→ Replace the Powertrain Control Module.
No
5 Turn ignition off.
Gain access to and disconnect the Park Brake Switch connector.
Remove the Instrument Cluster.
Measure the resistance of the Red Brake Warning Indicator Driver circuit between
the Instrument Cluster connector and the Park Brake Switch connector.
Is the resistance below 5.0 ohms?
Yes → Go To 6
→ Repair the open Red Brake Warning Indicator Driver circuit.
No
6 Gain access to and disconnect the Park Brake Switch connector.
Connect a jumper wire between the Red Brake Warning Indicator Driver circuit and
ground.
Turn the ignition on.
Did the Red Brake Warning Indicator come on and stay on?
Yes → Replace the open Park Brake Switch.
→ Go To 7
No
7 If there are no possible causes remaining, view repair.
Repair
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
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APPLICABILITY
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