For a complete wiring diagram Refer to Section 8W.When Monitored:With the ignition on and the Panel Illumination circuit active.Set Condition:The Instrument Cluster detects an open condition on the Panel Illumination Control circuit.Possible Causes(E12) PANEL LAMPS DRIVER CIRCUIT OPENINSTRUMENT CLUSTER1. CHECK FOR AN ACTIVE DTCTurn the ignition on.With the scan tool, record and erase DTCs.Activate the Panel Illumination.Wait 30 seconds.With the scan tool, read DTCs.Does the scan tool display this DTC as active?YesGo To 2NoThe condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) 2. CHECK THE (E12) PANEL LAMPS DRIVER CIRCUIT FOR AN OPEN

Turn the ignition off.Disconnect the Cluster C1 harness connector.Inspect the connector and associated wiring for the Panel illumination circuit.Using a fused jumper wire connected to 12 volts, probe cavity 2 of the Cluster C1 harness connector.Did the components illuminate?YesReplace the Instrument Cluster in accordance with the service information.Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoUsing the wiring diagrams as a guide, locate and repair the (E12) Panel Lamps Driver circuit for an open.Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)