Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 480
B1694-ACCESSORY DIMMING CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8J - 24
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
Indicator Dimming Signal active. ATC not present.
•
Set Condition:
Indicator Dimmer Signal Output status LOW.
Possible Causes
(E22) INDICATOR DIMMER SIGNAL CIRCUIT SHORTED TO VOLTAGE
INSTRUMENT CLUSTER
Diagnostic Test
1.
CHECK FOR AN ACTIVE DTC
Turn the ignition on.
With the scan tool, record and erase DTCs.
Activate the Accessory Dimming.
With the scan tool, read DTCs.
Is the DTC active?
Yes
>> Go To 2
No
>> The 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 termi-
nals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1).
2.
CHECK (E22) INDICATOR DIMMER SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Instrument Cluster C3 harness connector.
Disconnect the Switch Bank harness connector.
Disconnect the A/C Heater Control C1 (MTC) harness connector.
Turn the ignition on.
Check the voltage on the (E22) Indicator Dimmer Signal circuit.
Is the voltage above 0.5 volts?
Yes
>> Repair the (E22) Indicator Dimmer Signal circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).
No
>> Replace the Instrument Cluster in accordance with the ser-
vice information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).
LX
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
8J - 25
B1695-ACCESSORY DIMMING CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
8J - 26
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
Ignition Run/Start transition to on, and ATC not present.
•
Set Condition:
Input Dimmer Signal Output status HIGH.
Possible Causes
(E22) INDICATOR DIMMER SIGNAL CIRCUIT OPEN
INSTRUMENT CLUSTER
Diagnostic Test
1.
CHECK FOR AN ACTIVE DTC
Turn the ignition on.
With the scan tool, record and erase DTCs.
Activate the rear wiper switch.
With the scan tool, read DTCs.
Is the DTC active?
Yes
>> Go To 2
No
>> The 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 termi-
nals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1).
2.
CHECK THE (E22) INDICATOR DIMMER SIGNAL CIRCUIT FOR AN OPEN
Turn the ignition off.
Disconnect the Instrument Cluster C3 harness connector.
Disconnect the Switch Bank harness connector.
Measure the resistance of the (E22) Indicator Dimmer Signal Circuit
between the Instrument Cluster C3 Harness connector and the Switch
Bank harness connector.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (E22) Indicator Dimmer Signal Circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).
No
>> Replace the Instrument Cluster in accordance with the ser-
vice information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).
LX
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
8J - 27
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