Dodge Caliber. Manual — part 350
![](/vehicles/wlang/mes/cill/joucowhelou.png)
B1643-REAR LEFT TURN CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
PM
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 33
![](/vehicles/wlang/mes/cill/dbue.png)
•
When Monitored:
•
With the Turn Signal activated.
•
Set Condition:
•
When the TIPM detects a LOW condition.
Possible Causes
(L63) REAR LEFT TURN SIGNAL CONTROL CIRCUIT
TOTALLY INTEGRATED POWER MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all TIPM DTC’s.
Turn the Left Turn Signals on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B1643-REAR LEFT TURN CONTROL CIRCUIT LOW?
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-VER1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
2.
(L63) LEFT TURN SIGNAL CONTROL CIRCUIT
Turn the ignition off.
Disconnect the TIPM C3 connector.
Disconnect the Left Rear Tail Lamp connector.
Measure the resistance between ground and the (L63) Rear Left Rear
Turn Signal Control circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (L63) Rear Left Turn Signal Control circuit for a
short to ground.
Perform the BODY VERIFICATION TEST-VER1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE)
No
>> Replace the Totally Integrated Power Module in accordance
with the service information.
Perform the BODY VERIFICATION TEST-VER1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE)
8L - 34
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
PM
![](/vehicles/wlang/mes/cill/sit.png)
B1644-REAR LEFT TURN CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
PM
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 35
![](/vehicles/wlang/mes/cill/latrud.png)
•
When Monitored:
Continuously
•
Set Condition:
When the Totally Integrated Power Module detects a short to battery on the Left Rear Turn Signal Control
circuit.
Possible Causes
(L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT OPEN
(L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT SHORTED TO VOLTAGE
TOTALLY INTEGRATED POWER MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
Clear all TIPM DTC’s
Turn the Left Turn Signal on.
With the scan tool, read DTC’s.
Does the scan tool read: B1644-REAR LEFT TURN CONTROL CIRCUIT HIGH?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
2.
LEFT REAR TURN SIGNAL BULB
Turn the ignition off.
Inspect the Left Rear Turn Signal Bulb Assembly.
Is the inoperative bulb OK?
Yes
>> Go To 3
No
>> Replace the Inoperative bulb in accordance with the service information.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
3.
(L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT OPEN
Turn the ignition off.
Disconnect the TIPM C3 harness connector.
Disconnect the Left Rear Tail Lamp harness connector.
Measure the resistance of the (L63) Left Rear Turn Signal Control cir-
cuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (L63) Turn Signal Control circuit for an open.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to
8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)
No
>> Go To 4
8L - 36
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
PM
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