Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c1951 actuator

DTC DETECTING CONDITION:

A fault is detected if the electronic parking brake operation status does not match the operation request.

TROUBLE SYMPTOM:

Parking brake system does not operate.

WIRING DIAGRAM:

NOTE:

For the coupling connector, refer to “WIRING SYSTEM”.

Parking brake / brake fluid level warning light system Parking Brake / Brake Fluid Level Warning Light System

STEPCHECKYESNO

1.CHECK BATTERY.

1) Turn the ignition switch to ON.

2) Check the battery voltage. Battery > INSPECTION Battery > INSPECTION

Is the voltage 10 — 15 V-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

Charge or replace the battery. Check the generator circuit.

2.CHECK VDCCM&H/U GROUND CIRCUIT (CHECK FOR OPEN CIRCUIT).

1) Turn the ignition switch to OFF.

2) Disconnect the connector from the VDCCM&H/U.

3) Measure the resistance between VDCCM&H/U connector and chassis ground.

Connector & terminal

(B310) No. 46 — Chassis ground:

Is the resistance less than 10 --

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

Repair the VDCCM&H/U ground circuit.

3.CHECK HARNESS (CHECK FOR OPEN CIRCUIT).

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from rear brake caliper.

3) Measure the resistance between VDCCM&H/U and rear brake caliper connector.

Connector & terminal

(B310) No. 34 — (R153) No. 2:

(B310) No. 35 — (R153) No. 1:

(B310) No. 44 — (R154) No. 1:

(B310) No. 45 — (R154) No. 2:

Is the resistance less than 1 --

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

Repair harness and connector between VDCCM&H/U and rear brake caliper connector.

4.CHECK POOR CONTACT OF CONNECTORS.

Is there poor contact of power supply circuit, ground circuit and VDCCM&H/U connector-

Repair the connector.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

5.CHECK DRIVER’S DOOR SWITCH.

Check the driver’s door switch. Keyless Entry System > INSPECTION

Is the driver’s door switch normal-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

Repair the driver’s door switch or circuit.

6.CHECK VDCCM&H/U.

1) Connect all connectors.

2) Perform the Clear Memory Mode. Clear Memory Mode

3) Set the hill hold function to ON.

4) Read the DTC. Read Diagnostic Trouble Code (DTC)

Is the same DTC displayed-

Replace the VDCCM&H/U. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

7.CHECK DETECTION OF OTHER DTCS FOR VDC.

Read Diagnostic Trouble Code (DTC)

Is any other DTC displayed-

Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)

Currently, it is normal. There may have been a poor contact in the harness and connector or a temporarily noise interference.

NOTE:

This DTC may be stored, if the driver’s door is opened while the electronic parking brake is operating. Therefore, check the freeze frame data.

Dtc c1954 rh actuator
DTC DETECTING CONDITION:A fault is detected if mechanical sticking or abnormal operation of the rear brake caliper RH is detected.TROUBLE SYMPTOM:Parking brake system does not operate.WIRING DIAGRAM:N ...

Dtc c1942 power supply voltage
DTC DETECTING CONDITION:A fault is detected if low voltage is detected during the electronic parking brake operation.TROUBLE SYMPTOM:Parking brake system does not operate sometimes.WIRING DIAGRAM:Vehi ...

Other materials:

General diagnostic table inspection
1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHTPossible causeCorrective action(1) Permanent distortion or damaged coil springReplace.(2) Rough operation of shock absorber COMPLReplace.(3) Installation of the wrong shock absorber assemblyReplace with proper parts.(4) Installation of the wro ...

© 2017-2024 Copyright www.sulegacy.com