DTC Description
DTC DETECTION LOGIC
DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
U0300 | CAN COMM DATA (Internal Control Module Software Incompatibility) | When the ignition switch is ON, the data length transmitted from each control unit is shorter than the specified length and the status continues for 2 seconds or more. |
POSSIBLE CAUSE
Control unit other than TCM
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT
Is “U0300” detected? YES >> Go to TM-101, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
1.CONTROL UNIT CHECK
Check the number of control units replaced before “U0300” is detected.
Is one control unit replaced? YES >> The specification of the control unit replaced may be incorrect. Check the part number and the specification.
NO >> GO TO 2.
2.CONTROL UNIT CHECK
With CONSULT
Is “U0300”detected? YES >> Turn OFF the ignition switch and check other control units in the same manner.
NO >> The specification of the control unit removed may be incorrect. Check the part number and the specification.
Inside mirror
Wiring Diagram - With Homelink Universal Transceiver
Wiring Diagram - Without Homelink Universal Transceiver
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Power switch illumination circuit
Description
Provides the power supply and the ground to control the power switch
illumination.
Component Function Check
1.CHECK POWER SWITCH ILLUMINATION OPERATION
CONSULT ACTIVE TEST
Turn the power switch ON.
Select “ENGINE SW ILLUMI” of “BCM” active test item.
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VIN registration
Description
VIN Registration is an operation to registering VIN in ECM. It must be
performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspection &
Maintenance (I/M).
Work Procedure
1.CHECK VIN
Check the VIN of the vehicle and note it. ...