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Lighting Systems - Interior - Electrical Diagnostics Chrysler Town & Country V

Interior/illumination Lights ~528 words

DIAGNOSTIC CODE INDEX

DTCDescription
B161ACOURTESY/DOME LAMP CONTROL CIRCUIT
B161EREADING LAMP CONTROL CIRCUIT

DIAGNOSTIC CODE INDEX

Additional Wiring

For complete wiring diagrams, refer to

SYSTEM WIRING DIAGRAMS for Grand Caravan.

SYSTEM WIRING DIAGRAMS for Town & Country.

Monitor Conditions

  1. When Monitored
  2. Continuously

Set Conditions

  1. Set Condition
  2. When the Instrument Cluster detects a short to battery on the Control circuit.

Possible Causes

Possible Causes
(M27) COURTESY LAMPS DRIVER CIRCUIT SHORT TO GROUND
(M27) COURTESY LAMPS DRIVER CIRCUIT OPEN
INSTRUMENT CLUSTER

Diagnostic Test

  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. Clear all Instrument Cluster DTC's Turn the Courtesy Lamps on. With the scan tool, read DTC's. Does the scan tool read: B161A-COURTESY/DOME LAMP CONTROL CIRCUIT? Yes Go to 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST VER-1 .
  2. CHECK THE (M27) COURTESY LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Instrument Cluster C2 harness connector. Measure the resistance between the (M27) Courtesy Lamp Driver circuit and ground. Is the resistance below 5.0 ohms? Yes Repair the (M27) Courtesy Lamp Driver circuit for a short to ground. Perform BODY VERIFICATION TEST VER-1 . No Go to 3 .
  3. CHECK THE (M27) COURTESY LAMPS DRIVER CIRCUIT FOR AN OPEN Turn the ignition on. Measure the voltage of the (M27) Courtesy Lamp Driver circuit. Is the voltage below 10.0 volts? Yes Repair the (M27) Courtesy Lamp Driver circuit for an open. Perform BODY VERIFICATION TEST VER-1 . No Replace the Instrument Cluster in accordance with the service information. Perform BODY VERIFICATION TEST VER-1 .

For complete wiring diagrams, refer to

SYSTEM WIRING DIAGRAMS for Grand Caravan.

SYSTEM WIRING DIAGRAMS for Town & Country.

  1. When Monitored
  2. Continuously
  1. Set Condition
  2. When the Instrument Cluster detects a short to battery on the Control circuit.
Possible Causes
(M27) COURTESY LAMP DRIVER CIRCUIT SHORT TO GROUND
(M27) COURTESY LAMP DRIVER CIRCUIT OPEN
INSTRUMENT CLUSTER
  1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. Clear all Instrument Cluster DTC's Turn the Courtesy Lamps on. With the scan tool, read DTC's. Does the scan tool read: B161E-READING LAMP CONTROL CIRCUIT? Yes Go to 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST VER-1 .
  2. CHECK THE (M27) COURTESY LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Instrument Cluster C2 harness connector. Measure the resistance between the (M27) Courtesy Lamp Driver circuit and ground. Is the resistance below 5.0 ohms? Yes Repair the (M27) Courtesy Lamp Driver circuit for a short to ground. Perform BODY VERIFICATION TEST VER-1 . No Go to 3 .
  3. CHECK THE (M27) COURTESY LAMP DRIVER CIRCUIT FOR AN OPEN Activate the left and right vanity lamps (if equipped), the glove box lamp, and the left and right door handle lamps. Turn the ignition on. Measure the voltage of the (M27) Glove Box Lamp Driver circuit. Is the voltage below 10.0 volts? Yes Repair the (M27) Courtesy Lamp Driver circuit for an open. Perform BODY VERIFICATION TEST VER-1 . No Replace the Instrument Cluster in accordance with the service information. Perform BODY VERIFICATION TEST VER-1 .

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