Chrysler Sebring 2004 Service Manual page 2092

P0703-BRAKE SWITCH SENSE CIRCUIT —
TEST
3 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the (K29) Brake Switch Sense circuit in the Brake Lamp
Switch harness connector to ground.
Is the resistance below 5.0 ohms?
Yes → Repair the short to ground in the (K29) Brake Switch Sense
→ Go To 4
No
4 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Using a 12-volt test light connected to B+, probe the (Z241) Ground circuit in the
Brake Lamp Switch harness connector to ground.
Does the test light illuminate brightly?
Yes → Go To 5
→ Repair the open in the (Z241) Ground circuit.
No
5 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Turn the ignition on.
Connect a jumper wire between (K29) Brake Switch Sense circuit and the (Z241)
Ground circuit.
Monitor Brake Switch Sense with the DRBIII .
Does the Brake Switch state change from pressed to released?
Yes → Replace the Brake Lamp Switch.
→ Go To 6
No
6 NOTE: Before Continuing: Disconnect the PCM harness connector and
check the related wiring terminals for corrosion, damage or terminal push
out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay
particular attention to all Power and Ground circuits.
If there are no possible causes remaining, view repair.
Repair
ACTION
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
DRIVEABILITY - GAS
Continued
163
APPLICABILITY
All
All
All
All