Chrysler Concorde 2004 Service Manual page 922

DRIVEABILITY - NGC
Symptom:
P0703-BRAKE SWITCH #2 CIRCUIT
When Monitored and Set Condition:
P0703-BRAKE SWITCH #2 CIRCUIT
When Monitored: TEST #1: Vehicle speed greater than 20 MPH to enable. TEST #2:
Speed must be 0 and brake switch indicates on.
Set Condition: TEST #1: If vehicle speed goes to 0 MPH without brake input. Condition
must be repeated 15 times to set fault. Two trip fault. TEST #2: If vehicle speed goes above
20 MPH for more than 6.0 seconds without a change in brake switch state. Condition must
be repeated 15 times to set fault. Two Trip Fault.
GOOD TRIP EQUAL TO ZERO
(F32) FUSED B+ CIRCUIT
(K29) BRAKE SWITCH SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K29) BRAKE SWITCH SIGNAL SHORTED TO GROUND
(K29) BRAKE SWITCH SIGNAL CIRCUIT OPEN
(Z1) GROUND CIRCUIT OPEN
BRAKE LAMP SWITCH OPERATION
PCM
TEST
1 NOTE: Ensure the Brake Switch is adjusted properly before continuing.
Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip displayed and equal to zero?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION symptom in the
No
2 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Using a 12-volt test light connected to ground, check the (F32) Fused B+ circuit in the
Brake Lamp Switch harness connector.
Does the test light illuminate brightly?
Yes → Go To 3
→ Repair the (F32) Fused B+ circuit. Inspect the related fuse and
No
POSSIBLE CAUSES
ACTION
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 4 - NGC.
repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 4 - NGC.
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APPLICABILITY
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All