Mazda 6. Manual — part 236

P–2

DTC C1507, C1508. . . . . . . . . . . P-91
DTC C1510, C1511, C1512, C1513 . . . . .. P-92
DTC C1953, C1954. . . . . . . . . . . P-92
DTC C1955, C1956. . . . . . . . . . . P-93
DTC U2021 . . . . . . . . . . . . . . P-96

TROUBLESHOOTING

(ABS/TCS/DYNAMIC STABILITY CONTROL) . P-97
SYSTEM WIRING DIAGRAM . . . . . . . P-97
FOREWORD. . . . . . . . . . . . . .. P-99
PRECAUTION. . . . . . . . . . . . . P-99
SYMPTOM TROUBLESHOOTING. . . . .. P-104
NO.1 ABS WARNING LIGHT, BRAKE

SYSTEM WARNING LIGHT, TCS OFF
LIGHT DO NOT ILLUMINATE WITH
IGNITION SWITCH ON. . . . . . . . . P-107

NO.2 NEITHER ABS WARNING LIGHT

NOR BRAKE SYSTEM WARNING
LIGHT ILLUMINATE WITH IGNITION
SWITCH ON. . . . . . . . . . . . .. P-108

NO.3 ABS WARNING LIGHT DOES

NOT ILLUMINATE WITH IGNITION
SWITCH ON. . . . . . . . . . . . .. P-109

NO.4 BRAKE SYSTEM WARNING

LIGHT DOES NOT ILLUMINATE
WITH IGNITION SWITCH ON . . . . . .. P-109

NO.5 TCS OFF LIGHT, TCS INDICATOR

LIGHT DO NOT ILLUMINATE WITH
IGNITION SWITCH ON. . . . . . . . . P-110

NO.6 BOTH ABS WARNING LIGHT

AND BRAKE SYSTEM WARNING
LIGHT STAY ON MORE THAN 4
SECONDS WITH IGNITION SWITCH ON. P-111

NO.7 ABS WARNING LIGHT STAYS

ON MORE THAN 4 SECONDS WITH
IGNITION SWITCH ON. . . . . . . . . P-113

NO.8 BRAKE SYSTEM WARNING LIGHT

STAYS ON MORE THAN 4 SECONDS
WITH IGNITION SWITCH ON . . . . . .. P-114

NO.9 TCS OFF LIGHT STAYS ON

MORE THAN 4 SECONDS WITH
IGNITION SWITCH ON. . . . . . . . . P-116

NO.10 TCS DOES NOT

WORK CORRECTLY. . . . . . . . . P-117

NO.11 THERE IS MALFUNCTION IN

THE SYSTEM EVEN THOUGH ABS
WARNING LIGHT, BRAKE SYSTEM
WARNING LIGHT, TCS OFF LIGHT,
TCS INDICATOR LIGHT DO NOT
ILLUMINTE . . . . . . . . . . . . ... P-117

NO.1 ANY OF THE FOLLOWING

LIGHTS DO NOT ILLUMINATE
WITH IGNITION SWITCH ON:
(ABS WARNING LIGHT, BRAKE
SYSTEM WARNING LIGHT, DSC
INDICATOR LIGHT AND/OR DSC
OFF LIGHT) . . . . . . . . . . . . .. P-117

NO.2 ANY OF THE FOLLOWING

LIGHTS STAY ON: (ABS WARNING
LIGHT, BRAKE SYSTEM WARNING
LIGHT, DSC INDICATOR LIGHT
AND/OR DSC OFF LIGHT). . . . . . ... P-119

NO.3 THERE IS A MALFUNCTION IN

THE SYSTEM EVEN THOUGH ABS
WARNING LIGHT, BRAKE SYSTEM
WARNING LIGHT, DSC INDICATOR
LIGHT AND DSC OFF LIGHT DO
NOT ILLUMINATE . . . . . . . . . . P-120

NO.4 ABS OR TCS*1 OPERATES

FREQUENTLY/TCS DOES NOT
WORK CORRECTLY*1: DSC SYSTEM
FUNCTION CONTAINS TRACTION
CONTROL FUNCTION, DSC
INDICATOR LIGHT GOES ON AND
OFF WHILE DSC OPERATES . . . . . .P-120

NO.5 DSC*2 OPERATES

FREQUENTLY/DSC DOES NOT
WORK CORRECTLY*2: DSC
INDICATOR LIGHT GOES ON
AND OFF WHILE DSC OPERATES. . . .P-121

NO.6 DSC INDICATOR LIGHT FLASHES

(WHEN NEITHER THE TCS NOR THE
DSC ARE OPERATING) . . . . . . . ...P-121

LOCATION INDEX

P–3

P

CONVENTIONAL BRAKE LOCATION INDEX

A6E690001015W01

.

End Of Sie

LOCATION INDEX

A6E6900W001

1

Brake pedal
(See

P–7 BRAKE PEDAL INSPECTION

)

(See

P–9 BRAKE PEDAL REMOVAL/

INSTALLATION

)

(See

P–8 BRAKE SWITCH INSPECTION

)

2

Master cylinder
(See

P–10 MASTER CYLINDER REMOVAL/

INSTALLATION

)

(See

P–12 FLUID LEVEL SENSOR INSPECTION

)

(See

P–12 MASTER CYLINDER DISASSEMBLY/

ASSEMBLY

)

3

Power brake unit
(See

P–14 POWER BRAKE UNIT INSPECTION

)

(See

P–14 POWER BRAKE UNIT REMOVAL/

INSTALLATION

)

4

Dual proportioning valve (without ABS)
(See

P–16 DUAL PROPORTIONING VALVE

INSPECTION (WITHOUT ABS)

)

(See

P–16 DUAL PROPORTIONING VALVE

REPLACEMENT (WITHOUT ABS)

)

5

Front brake (disc)
(See

P–17 FRONT BRAKE (DISC) INSPECTION

)

(See

P–20 FRONT BRAKE (DISC) REMOVAL/

INSTALLATION

)

(See

P–22 CALIPER (FRONT) DISASSEMBLY/

ASSEMBLY

)

6

Rear brake (disc)
(See

P–23 REAR BRAKE (DISC) INSPECTION

)

(See

P–24 REAR BRAKE (DISC) REMOVAL/

INSTALLATION

)

7

L.H.D.

8

R.H.D.

P–4

LOCATION INDEX

PARKING BRAKE LOCATION INDEX

A6E690001015W02

.

End Of Sie

ABS/TCS LOCATION INDEX

A6E690001015W03

.

A6E6900W005

1

Parking bake lever
(See

P–26–1 PARKING BRAKE (LEVER TYPE)

INSPECTION

)

(See

P–26–1 PARKING BRAKE (LEVER TYPE)

ADJUSTMENT

)

(See

P–26–2 PARKING BRAKE (LEVER TYPE)

REMOVAL/INSTALLATION

)

A6E6900W003

1

ABS (ABS/TCS) HU/CM
(See

P–27 ABS (ABS/TCS) HU/CM SYSTEM

INSPECTION

)

(See

P–29 ABS (ABS/TCS) HU/CM INSPECTION

)

(See

P–28 ABS (ABS/TCS) HU/CM REMOVAL/

INSTALLATION

)

(See

P–29 ABS (ABS/TCS) or DSC HU/CM

CONFIGURATION

)

2

Front ABS wheel-speed sensor
(See

P–32 FRONT ABS WHEEL-SPEED SENSOR

REMOVAL/INSTALLATION

)

(See

P–33 FRONT/REAR ABS WHEEL-SPEED

SENSOR INSPECTION

)

LOCATION INDEX

P–5

P

End Of Sie

DSC LOCATION INDEX

A6E690001015W04

.

End Of Sie

3

Rear ABS wheel-speed sensor
(See

P–34 REAR ABS WHEEL-SPEED SENSOR

REMOVAL/INSTALLATION

)

4

TCS OFF switch
(See

P–31 TCS (DSC) OFF SWITCH REMOVAL/

INSTALLATION

)

(See

P–32 TCS (DSC) OFF SWITCH INSPECTION

)

5

L.H.D.

6

R.H.D.

A6E6900W004

1

DSC HU/CM
(See

P–40 DSC HU/CM INSPECTION

)

(See

P–38 DSC HU/CM REMOVAL/INSTALLATION

)

(See

P–40 DSC HU/CM INSPECTION

)

2

Combine sensor
(See

P–42 COMBINE SENSOR REMOVAL/

INSTALLATION

)

(See

P–43 COMBINE SENSOR INSPECTION

)

(See

P–44 COMBINE SENSOR INITIALIZATION

PROCEDURE

)

3

Steering angle sensor
(See

P–44 STEERING ANGLE SENSOR

REMOVAL/INSTALLATION

)

(See

P–44 STEERING ANGLE SENSOR

INSPECTION

)

4

DSC OFF switch
(See

P–31 TCS (DSC) OFF SWITCH REMOVAL/

INSTALLATION

)

(See

P–32 TCS (DSC) OFF SWITCH INSPECTION

)

5

Front wheel-speed sensor
(See

P–32 FRONT ABS WHEEL-SPEED SENSOR

REMOVAL/INSTALLATION

)

(See

P–33 FRONT/REAR ABS WHEEL-SPEED

SENSOR INSPECTION

)

6

Rear wheel-speed sensor
(See

P–34 REAR ABS WHEEL-SPEED SENSOR

REMOVAL/INSTALLATION

)

7

L.H.D.

8

R.H.D.