Honda Civic manuals

Subaru Legacy Service Manual: Dtc u0122 lost communication with vehicle dynamics control module

NOTE:

Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure

1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB)

Detect malfunction of CAN communication.

Judge as NG when CAN communication failure occurs with the VDC CM.

2. EXECUTION CONDITION (ENGINE TYPE FB)

Secondary Parameters

Execution condition

12 V battery system voltage

≥ 10 V

Measured turbine shaft speed

> 0 rpm

or

Transmission range

Drive or Reverse

3. DIAGNOSTIC METHOD (ENGINE TYPE FB)

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria

Threshold Value

CAN data from Vehicle Dynamics Control Module

Lost

Time Needed for Diagnosis: 0.5 seconds

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

4. OUTLINE OF DIAGNOSIS (ENGINE TYPE EZ)

Detect malfunction of CAN communication.

Judge as NG when CAN communication failure occurs with the VDC CM.

5. EXECUTION CONDITION (ENGINE TYPE EZ)

Secondary Parameters

Execution condition

12 V battery system voltage

≥ 10 V

Measured primary pulley shaft speed

> 0 rpm

or

Transmission range

Drive or Reverse

6. DIAGNOSTIC METHOD (ENGINE TYPE EZ)

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria

Threshold Value

CAN data from Vehicle Dynamics Control Module

Lost

Time Needed for Diagnosis: 0.5 seconds

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

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NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS• Detect malfunction of CAN communication.• Judge as NG whe ...

Dtc u0100 lost communication with ecm/pcm "a"
NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB)• Detect malfunction of CAN communication.• ...

Other materials:

Adjustment
Selection of main shaft rear plate:Measure the protrusion amount (A) of bearing from transmission main case surface, and select a suitable plate in the following table.NOTE:Before measuring, tap the end of main shaft with a plastic hammer lightly in order to make the clearance zero between the main ...

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