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

Subaru Legacy BN/BS (2015-2019) Service Manual / Power seat memory system (diagnostics) / 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
B2600	LIN COMMUNICATION	—
B2601	LIN CIRCUIT LOW	—
B2602	VEHICLE SPEED CONTROL	—
B2603	EPB CONTROL	—
B2605	BATTERY CONTROL LOW	—

Diagnostic procedure:

1. Perform the Clear Memory Mode. Clear Memory Mode

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

3. Turn the ignition switch ON > OFF, and wait for 45 seconds or more.

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

5. 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.

2. INSPECTION MODE 2

DTC	Item	Note
B2604	POWER SEAT MEMORY EEPROM	—

Diagnostic procedure:

1. Perform the Clear Memory Mode. Clear Memory Mode

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

3. Initialize the power seat system. Power Seat System > ADJUSTMENT

4. Turn the ignition switch ON > OFF, and wait for 45 seconds or more.

5. Turn the ignition switch OFF > ON, and wait for 5 seconds or more.

6. 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 3

DTC	Item	Note
B2606	POWER SEAT POSITION SENSOR CIRCUIT LOW	—

Diagnostic procedure:

1. Perform the Clear Memory Mode. Clear Memory Mode

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

3. Operate the power seat switch. (Any of slide/reclining/lifter/tilt)

4. Turn the ignition switch ON > OFF, and wait for 45 seconds or more.

5. Turn the ignition switch OFF > ON, and wait for 5 seconds or more.

6. 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.

Electrical component location location

(1)Power seat control module(2)Lumbar switch(3)Power seat switch(1)Seat memory switch (A)Engine compartment fuse box(B)Interior fuse & relay box (1)Fuse (30 A)(2)Fuse (7.5 A) ...

List of diagnostic trouble code (dtc) list

DTCItemReferenceB2600LIN COMMUNICATION Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2600 LIN COMMUNICATIONB2601LIN CIRCUIT LOW Diagnostic Procedure with Diagnostic Trouble Code (DTC) ...

Other materials:

Inspection
1. Check that the manifold absolute pressure sensor has no deformation, cracks or other damages.2. Connect dry-cell battery positive terminal to terminal No. 3 and dry-cell battery ground terminal to terminal No. 2, circuit tester ground terminal to terminal No. 2 and the circuit tester positive ter ...