Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection mode procedure

It is possible to diagnose the DTC by performing the indicated inspection mode.

After correcting the DTC, perform a necessary inspection mode and make sure that the function is resumed correctly and the DTC is recorded.

1. INSPECTION MODE 1

DTC

Item

Note

U0073

CAN FAILURE, BUS ‘OFF’ DETECTION

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF

U0074

CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF

U0100

LOST COMMUNICATION WITH ECM/PCM "A"

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A"

U0101

LOST COMMUNICATION WITH TCM

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0101 LOST COMMUNICATION WITH TCM

U0122

LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE

U0140

LOST COMMUNICATION WITH BODY CONTROL MODULE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE

U0151

LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE

U0155

LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE

U0401

INVALID DATA RECEIVED FROM ECM/PCM "A"

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A"

U0402

INVALID DATA RECEIVED FROM TCM

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0402 INVALID DATA RECEIVED FROM TCM

U0416

INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE

U0452

INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0452 INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE

U1235

LOST COMMUNICATION WITH EyeSight

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight

B2A00

VIN READING

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A00 VIN READING

B2A01

LTE1 ANTENNA CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A01 LTE1 ANTENNA CIRCUIT

B2A02

LTE2 ANTENNA CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A02 LTE2 ANTENNA CIRCUIT

B2A03

GPS ANTENNA CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A03 GPS ANTENNA CIRCUIT

B2A07

BACKUP BATTERY CHARGE SYSTEM PERFORMANCE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A07 BACKUP BATTERY CHARGE SYSTEM PERFORMANCE

B2A08

SOS BUTTON CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A08 SOS BUTTON CIRCUIT

B2A09

I-CALL BUTTON CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A09 I-CALL BUTTON CIRCUIT

B2A0C

DCM INTERNAL FAULT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A0C DCM INTERNAL FAULT

B2A0D

AIRBAG SIGNAL

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A0D AIRBAG SIGNAL

B2A0E

MUTE LINE CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A0E MUTE LINE CIRCUIT

B2A0F

BACKUP BATTERY DEGRADATION

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A0F BACKUP BATTERY DEGRADATION

B2A10

BATTERY VOLTAGE HIGH

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A10 BATTERY VOLTAGE HIGH

Inspection steps:

1. Perform the Clear Memory Mode. Clear Memory Mode

2. Read the DTC and check that the DTC is not displayed. Diagnostic Code(s) Display

NOTE:

If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis according to DTC. After solving the DTC, repeat from step 1).

3. Turn the ignition switch to OFF.

4. Turn the ignition switch to ON, and wait for 5 seconds or more.

5. Read the DTC and check that the DTC is not displayed.

NOTE:

If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis according to DTC.

2. INSPECTION MODE 2

DTC

Item

Note

B2A04

MIC CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A04 MIC CIRCUIT

B2A05

LEFT SPEAKER/AUDIO CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A05 LEFT SPEAKER/AUDIO CIRCUIT

B2A06

RIGHT SPEAKER/AUDIO CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A06 RIGHT SPEAKER/AUDIO CIRCUIT

B2A0A

RED LED CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A0A RED LED CIRCUIT

B2A0B

GREEN LED CIRCUIT

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A0B GREEN LED CIRCUIT

Inspection steps:

1. Perform the Clear Memory Mode. Clear Memory Mode

2. Read the DTC and check that the DTC is not displayed. Diagnostic Code(s) Display

NOTE:

If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis according to DTC. After solving the DTC, repeat from step 1).

3. Turn the ignition switch to OFF.

4. Close all doors. (The vehicle enters CAN sleep state.)

5. Wait for approx. 1 minute. After the indicator goes off, wait for another 1 minute. (DCM standby mode)

6. Turn the ignition switch to ON, and wait for 5 seconds or more.

7. Read the DTC and check that the DTC is not displayed.

NOTE:

If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis according to DTC.

Electrical component location location
(1)Data link connector(3)Telematics sub antenna(5)Audio or navigation(2)GPS antenna(4)Data communication module (DCM)(6)Instrument panel speaker (standard and H/K specifications)(1)Telematics antenna( ...

Control module i o signal
...

Other materials:

Disassembly
1. Place alignment marks on the shaft and outer race.2. Remove the PTJ boot band and boot.CAUTION:Be careful not to damage the boot.3. Remove the snap ring from PTJ outer race.4. Remove the PTJ outer race from shaft assembly.5. Wipe off grease.CAUTION:The grease is a special type of grease. Do not m ...

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