DTC U2064 [INSTRUMENT CLUSTER]

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DTC U2064	Warning light illumination request signal from other modules
DETECTION CONDITION	•  Receive warning light illumination request signal
POSSIBLE CAUSE	•  CAN-related module malfunction

Caution

•  DTC U2064 is registered to the instrument cluster by a request from other modules and does not indicate a malfunction in the instrument cluster itself.

•  DTC U2064 may not be cleared during engine starting even if DTC clearing is done using the M-MDS. When clearing DTC U2064, execute with the ignition switch in the ON position (Engine off).

Diagnostic Procedure

1.  Verify the freeze frame data according to the following procedure:

(1)  Connect the M-MDS to DLC-2.

Note

•  Freeze frame data of the instrument cluster can be displayed by the IDS (laptop PC)

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(2)  After the vehicle is identified, select the following items from the initial screen of the M-MDS.

1.  Select “Electrical”.

2.  Select “IC Service Functions”.

2.  Determine which unit is thought to be malfunctioning based on the freeze frame data.

Note

•  If several warning light illumination requests are received, they will be recorded in one freeze frame data.

Freeze frame data		Warning light illumination request unit
		PCM	TCM	DSC HU/CM	ABS HU/CM
Illuminated warning light	Generator warning light	×	—	—	—
	Brake system warning light	—	—	×	×
	ABS warning light	—	—	×	×
	AT warning light	—	×	—	—
Meter, gauge control status	Speedometer	—	—	—	—
	Tachometer	—	—	—	—
	Water temperature gauge	—	—	—	—

3.  Inspect the malfunctioning part.

•  Repair or replace if necessary.

4.  Clear the DTC from the memory.

5.  Turn the ignition switch to LOCK position then ON position.

6.  Verify that the DTC U2064 is displayed using the M-MDS.

•  If DTC U2064 is displayed, go back to Step 1.