Honda Civic manuals

Subaru Legacy 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. PREPARATION FOR THE INSPECTION MODE

1. Check that the battery voltage is 12 V or more and fuel remains approx. half [20 — 40 L (5.3 — 10.6 US gal, 4.4 — 8.8 Imp gal)].

2. Perform the Clear Memory Mode. Clear Memory Mode

3. Read the DTC and check that the DTC is not displayed. Read Diagnostic Trouble Code (DTC)

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 2).

2. INSPECTION MODE 1

DTC

Item

Note

U0073

CAN FAILURE, BUS ‘OFF’ DETECTION

U0100

LOST COMMUNICATION WITH ECM/PCM "A"

U0101

LOST COMMUNICATION WITH TCM

U0122

LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE

U0140

LOST COMMUNICATION WITH BODY CONTROL MODULE

U0155

LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE

U0401

INVALID DATA RECEIVED FROM ECM/PCM "A"

U0422

INVALID DATA RECEIVED FROM BODY CONTROL MODULE

B1571

REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM)

B1572

IMM CIRCUIT EXCEPT ANTENNA CIRCUIT

B1576

EGI CONTROL MODULE EEPROM

B1577

IMM CONTROL MODULE EEPROM

B2271

IGN RELAY CONTROL CIRCUIT

B2274

ACC RELAY CONTROL CIRCUIT

B2275

ENGINE START REQUEST CONTROL CIRCUIT

B2276

ACC RELAY OFF SIGNAL

B2277

SUBMERGING CIRCUIT

B2285

STEERING LOCK POSITION SIGNAL CORRELATION

B2286

ENGINE SPEED SIGNAL(WITHOUT Auto Start Stop)

B2781

STEERING LOCK CM CONTROL CIRCUIT

B2782

STEERING LOCK DRIVE REQUEST SIGNAL CORRELATION

B2785

LIN COMMUNICATION

B2786

STEERING LOCK CM COMMUNICATION

B2788

IGN SIGNAL CORRELATION (STEERING LOCK CM)

B2789

ID CODE BOX COMMUNICATION

B278D

ID CODE BOX JUDGMENT CIRCUIT

B2793

BACK UP POWER

Diagnostic procedure:

1. Prepare for the inspection mode. Inspection Mode > PROCEDURE

2. Start the engine, and let it idle for 40 seconds or more.

3. Read the DTC and check that the DTC is not displayed. Read Diagnostic Trouble Code (DTC)

NOTE:

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

3. INSPECTION MODE 2

DTC

Item

Note

B2779

REMOTE CONTROL ENGINE STARTER COLLATION

Diagnostic procedure:

1. Prepare for the inspection mode. Inspection Mode > PROCEDURE

2. Register the remote engine starter, and operate it.

3. Read the DTC and check that the DTC is not displayed. Read Diagnostic Trouble Code (DTC)

NOTE:

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

4. INSPECTION MODE 3

DTC

Item

Note

B2790

ID CODE BOX CIRCUIT

B27A1

DRIVER SIDE EXTERNAL ANTENNA OPEN

B27A2

PASSENGER SIDE EXTERNAL ANTENNA OPEN

B27A5

FRONT INTERNAL ANTENNA OPEN

B27A6

REAR INTERNAL ANTENNA OPEN

B27A7

TRUNK/REAR GATE INTERNAL ANTENNA OPEN

B27A8

TRUNK/REAR GATE EXTERNAL ANTENNA OPEN

Diagnostic procedure:

1. Prepare for the inspection mode. Inspection Mode > PROCEDURE

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

NOTE:

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

5. INSPECTION MODE 4

DTC

Item

Note

B2282

VEHICLE SPEED SIGNAL CORRELATION

B2283

VEHICLE SPEED SENSOR

Diagnostic procedure:

1. Prepare for the inspection mode. Inspection Mode > PROCEDURE

2. Drive for 20 seconds or more at a vehicle speed of 25 km/h (15.5 MPH) or more.

3. Read the DTC and check that the DTC is not displayed. Read Diagnostic Trouble Code (DTC)

NOTE:

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

6. INSPECTION MODE 5

DTC

Item

Note

B2784

ANTENNA CIRCUIT (PUSH ENGINE SWITCH)

B278A

PUSH ENGINE SWITCH POWER SUPPLY CIRCUIT

Diagnostic procedure:

1. Prepare for the inspection mode. Inspection Mode > PROCEDURE

2. Press the push button ignition switch with no access key in the passenger room.

3. Read the DTC and check that the DTC is not displayed. Read Diagnostic Trouble Code (DTC)

NOTE:

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

7. INSPECTION MODE 6

DTC

Item

Note

B2284

BRAKE SIGNAL CORRELATION

Diagnostic procedure:

1. Prepare for the inspection mode. Inspection Mode > PROCEDURE

2. Turn the ignition switch to ON, depress and hold the brake pedal for 20 seconds of more, then release the brake pedal and wait for 20 seconds and more.

3. Read the DTC and check that the DTC is not displayed. Read Diagnostic Trouble Code (DTC)

NOTE:

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

General diagnostic table inspection
1. IMMOBILIZER SYSTEMSymptomsNoteEngine does not start Diagnostics with Phenomenon > INSPECTION Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2784 ANTENNA CIRCUIT (PUSH ENGINE SWITCH) ...

Keyless access system check operation
1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System».4. ...

Other materials:

Adjustment
1. If the ball bearing is attached, remove the bearing and shims. Converter Case Cover > REMOVAL2. Using the ST, measure height “A” from the ST upper face to the mating surface of the case.ST 398643600GAUGE3. Measure depth “B” from the converter case cover upper face to t ...

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