Honda Civic manuals

Subaru Legacy Service Manual: Dtc u0424 invalid data received from hvac control module

NOTE:

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

1. OUTLINE OF DIAGNOSIS

Detect malfunction of CAN communication.

Judge as NG when data received from the A/C control panel is not normal.

2. EXECUTION CONDITION

Secondary Parameters

Execution condition

Turbine shaft speed

> 0 rpm

or

D range switch

ON

3. DIAGNOSTIC METHOD

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 A/C control panel

Freeze

Time Needed for Diagnosis: 2 seconds

Dtc u0073 control module communication bus off
NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB)• Detect malfunction of CAN communication.• ...

Dtc u0423 invalid data received from instrument panel cluster control module
NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS• Detect malfunction of CAN communication.• Judge as NG whe ...

Other materials:

Certification for remote keyless entry system
U.S.-spec. models FCC ID: CWTWB1U811 FCC ID: CWTWD1U848 CAUTION FCC CAUTION Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with Part 15 of the FC ...

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