Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 529
B161B-COURTESY/DOME LAMP CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
8L - 146
LAMPS/LIGHTING - INTERIOR - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
With the ignition on.
•
Set Condition:
The Cluster detects a Short to Ground on the (M24) Courtesy Lamps Driver circuit.
Possible Causes
(M24) COURTESY LAMPS DRIVER CIRCUIT SHORT TO GROUND
INSTRUMENT CLUSTER
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
Clear all Cluster DTCs.
Turn the Courtesy Lamps on.
With the Scan Tool, read the Cluster DTCs.
Does the Scan Tool read: B161B-COURTESY/DOME LAMP OUTPUT CIRCUIT SHORT TO GROUND?
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/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
2.
(M24) COURTESY LAMPS DRIVER CIRCUIT SHORT TO GROUND
Turn the ignition on.
Disconnect the Instrument Cluster C3 connector.
Measure the resistance of the (M24) Courtesy Lamp Driver circuit to
ground.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (M24) Courtesy lamp Driver circuit for a short to
ground.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Replace the Instrument Cluster in accordance with the ser-
vice information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
LX
LAMPS/LIGHTING - INTERIOR - ELECTRICAL DIAGNOSTICS
8L - 147
B161F-READING LAMP CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
8L - 148
LAMPS/LIGHTING - INTERIOR - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
With the ignition on.
•
Set Condition:
The Cluster detects a short to ground on the (M27) Reading/Rail Lamps Driver circuit.
Possible Causes
(M27) READING/RAIL LAMPS DRIVER
INSTRUMENT CLUSTER
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
Clear all Cluster DTCs.
Turn the Driver Reading Lamps on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B161F-READING LAMP 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/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
2.
(M27) READING/RAIL LAMPS DRIVER
Turn the ignition off.
Disconnect the Cluster C3 harness connector.
Measure the resistance between ground and the (M27) Reading/Rail
Lamps Driver circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (M27) Reading/Rail Lamps Driver circuit for a
short to ground.
Perform the BODY VERIFICATION TEST-VER1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Relpace the Cluster in accordance with the service informa-
tion.
Perform the BODY VERIFICATION TEST-VER1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
LX
LAMPS/LIGHTING - INTERIOR - ELECTRICAL DIAGNOSTICS
8L - 149
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