Mazda5 Workshop Manual 04 Brakes.pdf

BRAKES

ON-BOARD DIAGNOSTIC

[ABS] . . . . . . . . . . . . . . . . . . . 04-02A

ON-BOARD DIAGNOSTIC [DYNAMIC

STABILITY CONTROL] . . . . . 04-02B

SYMPTOM

TROUBLESHOOTING . . . . . 04-03

GENERAL PROCEDURES . . . 04-10

CONVENTIONAL BRAKE

SYSTEM. . . . . . . . . . . . . . . . . 04-11

PARKING BRAKE SYSTEM . . . 04-12

ANTILOCK BRAKE

SYSTEM. . . . . . . . . . . . . . . . . 04-13

DYNAMIC STABILITY

CONTROL . . . . . . . . . . . . . . . 04-15

TECHNICAL DATA . . . . . . . . . . 04-50

SERVICE TOOLS . . . . . . . . . . . 04-60

04–02A ON-BOARD DIAGNOSTIC [ABS]

ABS SYSTEM WIRING DIAGRAM . . . . . 04–02A–2

ON-BOARD DIAGNOSIS [ABS] . . . . . . . 04–02A–2

DTC B1317, B1318 [ABS]. . . . . . . . . . . . 04–02A–5

DTC B1342, C1267 [ABS]. . . . . . . . . . . . 04–02A–6

DTC C1095 [ABS] . . . . . . . . . . . . . . . . . . 04–02A–7

DTC C1141, C1142, C1143, C1144, C1233, C1234,

C1235, C1236 [ABS] . . . . . . . . . . . . . . . 04–02A–8

DTC C1145, C1155, C1165, C1175

[ABS] . . . . . . . . . . . . . . . . . . . . . . . . . . . 04–02A–11

DTC C1446 [ABS] . . . . . . . . . . . . . . . . . . 04–02A–12

DTC U1900, U2012 [ABS] . . . . . . . . . . . . 04–02A–14

End of Toc

04–02A–1

SECTION

To c o f S C T

ON-BOARD DIAGNOSTIC [ABS]

ABS SYSTEM WIRING DIAGRAM

DPE040200000W01

ABS-P 30A

ABS-V 20A

BRAKE SYSTEM

WARNING LIGHT

ABS WARNING LIGHT

ABS/DSC 5A

IG SW

ABS WHEEL-

SPEED

SENSOR

MICRO-

COMPUTER

BATTERY

ABS HU/CM

CAN

DRIVER

INSTRUMENT CLUSTER

CAN_H

CAN

DRIVER

CAN_L

PCM

CAN

DRIVER

DLC-2

DPE402AW1001

End Of Sie

ON-BOARD DIAGNOSIS [ABS]

DPE040200000W02

On-Board Diagnostic (OBD) Test Description

• The OBD test inspects the integrity and function of the ABS and outputs the results when requested by the

specific tests.

• On-board diagnostic test also:

— Provides a quick inspection of the ABS usually performed at the start of each diagnostic procedure.

— Provides verification after repairs to ensure that no other faults occurred during service.

• The OBD test is divided into 3 tests:

— Read/clear diagnostic results, PID monitor and record and active command modes.

Read/clear diagnostic results

• This function allows you to read or clear DTCs in the ABS HU/CM memory.

PID/Data monitor and record

• This function allows you to access certain data values, input signals, calculated values, and system status

information.

Active command modes

• This function allows you to control devices through the WDS or equivalent.

04–02A–2

ON-BOARD DIAGNOSTIC [ABS]

Reading DTCs Procedure

1. Connect the WDS or equivalent to the vehicle

DLC-2 connector.

2. Retrieve DTC using the WDS or equivalent.

DLC-2

DPE402AW1005

Clearing DTCs Procedures

1. After repairs have been made, perform the DTCs reading procedure .

2. Erase DTC using the WDS or equivalent.

3. Ensure that the customer’s concern has been resolved.

PID/Data Monitor and Record Procedure

1. Connect the WDS or equivalent to the vehicle

DLC-2 connector.

2. Access and monitor PIDs using the WDS or

equivalent.

DLC-2

DPE402AW1005

Active Command Modes Procedure

1. Connect the WDS or equivalent to the vehicle

DLC-2 16-pin connector.

2. Turn the ignition switch to the ON position (engine

off) or start the engine.

3. Activate active command modes using the WDS

or equivalent.

DLC-2

DPE402AW1005

DTC Table

DTC

WDS or

equivalent

B1317

System malfunction location

Page

Power supply system

(See 04–02A–5 DTC B1317, B1318 [ABS].)

B1318

Power supply system

(See 04–02A–5 DTC B1317, B1318 [ABS].)

B1342

ABS HU/CM (internal malfunction)

(See 04–02A–6 DTC B1342, C1267 [ABS].)

C1095

Pump motor, motor relay

(See 04–02A–7 DTC C1095 [ABS].)

C1141

LF ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1142

RF ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1143

LR ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

04–02A–3

ON-BOARD DIAGNOSTIC [ABS]

DTC

WDS or

equivalent

System malfunction location

Page

C1144

RR ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1145

RF ABS wheel-speed sensor

(See 04–02A–11 DTC C1145, C1155, C1165, C1175

[ABS].)

C1155

LF ABS wheel-speed sensor

(See 04–02A–11 DTC C1145, C1155, C1165, C1175

[ABS].)

C1165

RR ABS wheel-speed sensor

(See 04–02A–11 DTC C1145, C1155, C1165, C1175

[ABS].)

C1175

LR ABS wheel-speed sensor

(See 04–02A–11 DTC C1145, C1155, C1165, C1175

[ABS].)

C1233

LF ABS wheel-speed sensor/ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1234

RF ABS wheel-speed sensor/ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1235

RR ABS wheel-speed sensor/ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1236

LR ABS wheel-speed sensor/ABS sensor rotor

(See 04–02A–8 DTC C1141, C1142, C1143, C1144,

C1233, C1234, C1235, C1236 [ABS].)

C1267

ABS HU/CM (internal malfunction)

(See 04–02A–6 DTC B1342, C1267 [ABS].)

C1446

Brake switch

(See 04–02A–12 DTC C1446 [ABS].)

U1900

CAN line

(See 04–02A–14 DTC U1900, U2012 [ABS].)

U2012

CAN line

(See 04–02A–14 DTC U1900, U2012 [ABS].)

PID/DATA Monitor Table

PID name

(definition)

Unit/Condition

Operation condition

(reference)

Action

ABS HU/CM

terminal

BOO_ABS

(Brake pedal switch

input)

On/Off

• Brake pedal depressed:

• Brake pedal released: Off

Inspect the brake switch.

—

CCNTABS

(Number of continuous

codes)

—

• DTCs detected:

1—255

• No DTCs detected: 0

Perform the DTC inspection.

—

LF_WSPD

(Left front ABS wheel-

speed sensor input)

KPH, MPH

• Vehicle stopped: 0 KPH, 0

MPH

• Vehicle running: Vehicle

speed

Inspect the ABS wheel-speed

sensor.

I, K

LR_WSPD

(Left rear ABS wheel-

speed sensor input)

KPH, MPH

• Vehicle stopped: 0 KPH, 0

MPH

• Vehicle running: Vehicle

speed

Inspect the ABS wheel-speed

sensor.

U, W

RF_WSPD

(Right front ABS

wheel-speed sensor

input)

KPH, MPH

• Vehicle stopped: 0 KPH, 0

MPH

• Vehicle running: Vehicle

speed

Inspect the ABS wheel-speed

sensor.

Q, O

RR_WSPD

(Right rear ABS wheel-

speed sensor input)

KPH, MPH

• Vehicle stopped: 0 KPH, 0

MPH

• Vehicle running: Vehicle

speed

Inspect the ABS wheel-speed

sensor.

E, C

04–02A–4

ON-BOARD DIAGNOSTIC [ABS]

Active Command Modes Table

Command name

Output part

Operation

Operating

condition

LF_INLET

LF inlet solenoid valve

LF_OUTLET

LF outlet solenoid valve

LR_INLET

LR inlet solenoid valve

LR_OUTLET

LR outlet solenoid valve

Ignition switch at

PMP_MOTOR

Pump motor

On/Off

RF_INLET

RF inlet solenoid valve

RF_OUTLET

RF outlet solenoid valve

RR_INLET

RR inlet solenoid valve

RR_OUTLET

RR outlet solenoid valve

End Of Sie

DTC B1317, B1318 [ABS]

DPE040200000W03

DTC B1317, B1318

Power supply system

DETECTION

CONDITION

• B1317

— High ignition voltage ( 16 V or more ) is detected at the voltage monitor of the solenoid valve or motor

monitor.

• B1318

— When driving the vehicle at 20 km/h {12.4 mph} or more , low ignition voltage ( 10 V or less ) is

detected at the voltage monitor of the solenoid valve or motor monitor.

POSSIBLE

CAUSE

• ABS 1 30A/ABS 2 20A/ABS IG 10A fuse malfunction

• Open or short circuit in wiring harness between ABS HU/CM terminal N and battery

• Open or short circuit in wiring harness between ABS HU/CM terminal Y and battery

• Open or short circuit in wiring harness between ABS HU/CM terminal Z and battery

• Open circuit in wiring harness between ABS HU/CM terminal B and body ground

• Battery deterioration

• Generator malfunction

• Poor connection at connectors (female terminal)

IG SW

ABS/DSC 5A

ABS-V 20A

ABS HU/CM

ABS-P 30A

BATTERY

ABS HU/CM WIRING HARNESS-SIDE CONNECTOR

04–02A–5

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