Dodge Caliber. Manual — part 358
B1785-STOP LAMP CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
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LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
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•
When Monitored:
•
With the Stop Lamps Activated.
•
Set Condition:
•
When the TIPM detects a HIGH condition.
Possible Causes
(L55) STOP LAMP CONTROL CIRCUIT OPEN
(L55) STOP LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
LEFT AND/OR RIGHT STOP LAMP BULBS
TOTALLY INTEGRATED POWER MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all TIPM DTC’s.
Turn the Stop Lamps on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B1785-STOP LAMP CONTROL CIRCUIT HIGH?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible
intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
2.
STOP LAMP BULBS
Turn the ignition off.
Inspect the Left and Right Stop Lamp Bulb Assemblies.
Are the inoperative bulbs OK?
Yes
>> Go To 3
No
>> Replace the Inoperative bulb or bulbs in accordance with the service information.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
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PM
3.
(L55) STOP LAMP CONTROL CIRCUIT OPEN
Turn the ignition off.
Disconnect the TIPM C3 harness connector.
Disconnect the Left and Right Stop Lamp harness connectors.
Measure the resistance of the (L55) Stop Lamp Control circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (L55) Stop Lamp Control circuit for an open con-
dition.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to
8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
No
>> Go To 4
4.
(L55) STOP LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the TIPM C3 harness connector.
Disconnect the Left and Right Stop Lamp harness connectors.
Turn the ignition on.
Measure for voltage on the (L55) Stop Lamp Control circuit.
Is the voltage above 10.0 volts?
Yes
>> Repair the (L55) Stop Lamp Control circuit for a short to
voltage condition.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to
8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
No
>> Replace the Totally Integrated Power Module (TIPM) in
accordance with the service information.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to
8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
PM
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 67
B1786-STOP LAMP CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
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LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
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