DTC U2300:54/U2300:55/U2300:56/U2300:64 [DSC HU/CM]
id040262855400
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DTC
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U2300:54
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Configuration
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U2300:55
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U2300:56
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U2300:64
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DETECTION CONDITION
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• Configuration error is detected.
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FAIL-SAFE FUNCTION
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• Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
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POSSIBLE CAUSE
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• Configuration procedure is not done properly
• Correct data cannot be received from instrument cluster
• Another vehicles control modules (instrument cluster, PCM, DSC HU/CM) been installed
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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RECORD CONFIGURATION DATA
• Switch the ignition OFF.
• Switch the ignition ON (engine off), and maintain this condition for approx. 10 s or more.
• Switch the ignition OFF, and maintain this condition for approx. 3 s or more.
• Switch the ignition ON (engine off), and maintain this condition for approx. 3 s or more.
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Go to the next step.
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2
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VERIFY DSC HU/CM DTC
• Using the M-MDS, clear the DTC from the DSC HU/CM.
(See CLEARING DTC [DSC HU/CM].)
• Using the M-MDS, perform the DSC HU/CM DTC inspection.
(See DTC INSPECTION [DSC HU/CM].)
• Are any DTCs present?
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Yes
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Repeat the inspection from Step1.
If the malfunction recurs, go to the next step.
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No
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Go to Step6.
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3
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VERIFY IF PARTS FROM ANOTHER VEHICLE INSTALLED TO INSTRUMENT CLUSTER, PCM OR DSC HU/CM
• Verify if an instrument cluster, PCM or DSC HU/CM from another vehicle is installed.
• Has an instrument cluster, PCM, DSC HU/CM or other vehicle part been installed to vehicle?
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Yes
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Install the correct instrument cluster, PCM or DSC HU/CM, then go to Step1.
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No
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Go to the next step.
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4
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VERIFY INSTRUMENT CLUSTER AND PCM DTC
• Using the M-MDS, perform the instrument cluster and PCM DTC inspection.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
DTC troubleshooting completed, then go to the next step.
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No
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Go to the next step.
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5
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VERIFY DSC HU/CM DTC
• Using the M-MDS, clear the DTC from the DSC HU/CM.
(See CLEARING DTC [DSC HU/CM].)
• Using the M-MDS, perform the DSC HU/CM DTC inspection.
(See DTC INSPECTION [DSC HU/CM].)
• Are any DTCs present?
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Yes
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Repeat the inspection from Step1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
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No
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Go to the next step.
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6
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VERIFY NO DTC IS PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [DSC HU/CM].)
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No
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DTC troubleshooting completed.
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