Mazda 6. Manual — part 253

P–83 DTC C1148, C1158, C1168, C1178,

C1235

Right rear wheel-speed sensor/sensor rotor

(See

C1233, C1234, C1235, C1236

P–83 DTC C1148, C1158, C1168, C1178,

C1236

Left rear wheel-speed sensor/sensor rotor

(See

C1233, C1234, C1235, C1236

C1242

Left rear pressure reduction solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1246

Right rear pressure reduction solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1250

Left rear pressure retention solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1254

Right rear ABS pressure retention solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1266

Fail-safe relay

(See

P–86 DTC C1186, C1266

)

C1280

Combine sensor

(See

C1400

Right front traction switch solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1410

Left front traction switch solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1414

DSC HU/CM

(See

P–91 DTC C1414

C1507

DSC control

(See

P–91 DTC C1507, C1508

)

C1508

DSC control

(See

P–91 DTC C1507, C1508

)

C1510

Right front solenoid valve, motor or wheel-speed
sensor/sensor rotor

(See

C1511

Left front solenoid valve, motor or wheel-speed sensor/
sensor rotor

(See

C1512

Right rear solenoid valve, motor or wheel-speed
sensor/sensor rotor

(See

C1513

Left rear solenoid valve, motor or wheel-speed sensor/
sensor rotor

(See

C1730

Combine sensor

(See

C1951

Combine sensor

(See

C1952

Combine sensor

(See

C1953

Brake fluid pressure sensor

(See

P–92 DTC C1953, C1954

)

C1954

Brake fluid pressure sensor

(See

P–92 DTC C1953, C1954

)

C1955

Steering angle sensor

(See

P–93 DTC C1955, C1956

)

C1956

Steering angle sensor

(See

P–93 DTC C1955, C1956

)

C1957

Right front DSC switch solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1958

Left front DSC switch solenoid valve

(See

C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958

)

C1959

Combine sensor

(See

T–144 DTC U0073, U1900, U2516

U1900

Can communication

(See

)

U2021

Invalid/fault data received

(See

P–96 DTC U2021

T–144 DTC U0073, U1900, U2516

DTC

Diagnosis system component

Page

WDS or

equiva-

lent

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)

P–69

PID/DATA Monitor Table

U2516

Can communication

(See

PID Name

(Definition)

Unit/Condition

Condition/Specification

Action

ABS/TCS HU/

CM or DSC HU/

CM terminal

RPM
(Engine speed signal
input)

RPM

• Engine is stopped: 0 RPM

• Engine is running:

Indicates engine speed

Inspect PCM.

—

TRANSGR
(Transaxle gear position)

R/N/D/S/L

• Selector lever position is

displayed
— R:R
— N: N
— D: D
— S: S
— L: L

Inspect PCM, TR switch, or
DSC HU/CM.

—

TRAC_SW
(TCS OFF switch input)

ON/OFF

• TCS (DSC) OFF switch is

depressed: ON

• TCS(DSC) OFF switch is

released: OFF

Inspect TCS(DSC) OFF
switch.

TC LVAL
(Traction switch solenoid
valve (LF-RR))

ON/OFF

• Solenoid valve is

activated: ON

• Solenoid valve is

deactivated: OFF

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

TC RVAL
(Traction switch solenoid
valve (RF-LR))

ON/OFF

• Solenoid valve is

activated: ON

• Solenoid valve is

deactivated: OFF

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

L_DSC O
(Stability control solenoid
valve (LF-RR))

ON/OFF

• Solenoid valve is

activated: ON

• Solenoid valve is

deactivated: OFF

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

R_DSC O
(Stability control solenoid
valve (RF-LR))

ON/OFF

• Solenoid valve is

activated: ON

• Solenoid valve is

deactivated: OFF

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

CCNTABS
(Number of continuous
codes)

—

DTC is detected: 1—255

DTC is not detected: 0

Perform inspection using
appropriate DTC.

—

PMPSTAT
(Pump motor output state)

ON/OFF

• Pump motor is activated:

• Pump motor is

deactivated: OFF

Inspect DSC HU/CM.
(See

)

—

BRK_FLUID
(Brake fluid level sensor
input)

YES/NO

• Brake fluid is above LOW:

• Brake fluid is below LOW:

LOW

Inspect brake fluid level.
Inspect brake fluid level
sensor.

—

BOO_ABS
(Brake pedal switch input)

ON/OFF

• Brake pedal is depressed:

• Brake pedal is released:

OFF

Inspect brake switch.

DTC

Diagnosis system component

Page

WDS or

equiva-

lent

P–70

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)

ABS_LAMP
(ABS warning light driver
output state)

ON/OFF

• ABS warning light is

illuminated: ON

• ABS warning light is not

illuminated: OFF

Inspect ABS warning light.

—

BRAKE_LMP
(BRAKE system warning
light output state)

ON/OFF

• BRAKE system warning

light is illuminated: ON

• BRAKE system warning

light is not illuminated:
OFF

Inspect BRAKE system
warning light.

—

ABSRR_O
(Right rear ABS pressure
reduction solenoid valve
output state)

ON/OFF

• During ABS control: ON/

OFF (solenoid valve is
activated/deactivated)

• Not ABS control: OFF

• (solenoid valve is

deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSLR_O
(Left rear ABS pressure
reduction solenoid valve
output state)

ON/OFF

• During ABS or EBD

control: ON/OFF
(solenoid valve is
activated/deactivated)

• Not ABS and EBD control:

OFF (solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSRF_O
(Right front ABS pressure
reduction solenoid valve
output state)

ON/OFF

• During ABS control: ON/

OFF (solenoid valve is
activated/deactivated)

• Not ABS control: OFF

(solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSLF_O
(Left front ABS pressure
reduction solenoid valve
output state)

ON/OFF

• During ABS control: ON/

OFF(solenoid valve is
activated/deactivated)

• Not ABS control: OFF

(solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSRR_I
(Right rear ABS pressure
reduction solenoid valve
output state)

ON/OFF

• During ABS control: ON/

OFF (solenoid valve is
activated/deactivated)

• Not ABS control: OFF

(solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSLR_I
(Left rear ABS pressure
retention solenoid valve
output state)

ON/OFF

• During ABS or EBD

control: ON/OFF
(solenoid valve is
activated/deactivated)

• Not ABS and EBD control:

OFF (solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSRF_I
(Right front ABS pressure
retention solenoid valve
output state)

ON/OFF

• During ABS control: ON/

OFF (solenoid valve is
activated/deactivated)

• Not ABS control: OFF

(solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSLF_I
(Left front ABS pressure
retention solenoid valve
output state)

ON/OFF

• During ABS control: ON/

OFF (solenoid valve is
activated/deactivated)

• Not ABS control: OFF

(solenoid valve is
deactivated)

Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See

—

ABSVLVRLY
(Fail-safe relay output
state)

ON/OFF

• Fail-safe relay is

activated: ON

• Fail-safe relay is

deactivated: OFF

Inspect DSC HU/CM.
(See

)

—

PID Name

(Definition)

Unit/Condition

Condition/Specification

Action

ABS/TCS HU/

CM or DSC HU/

CM terminal

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)

P–71

ABSPMPRLY
(Motor relay output state)

ON/OFF

• Motor relay is activated:

• Motor relay is deactivated:

OFF

Inspect DSC HU/CM.
(See

)

—

SWA POS
(Steering angle sensor
input)

DEG

• Steering wheel is in neutral

position: 0 DEG

• Steering wheel is turned to

left: Changes between 0
DEG and -1,638.40 DEG

• Steering wheel is turned to

right: Changes between 0
DEG and 1,638.35 DEG

Inspect steering angle
sensor.

R, U, W, X

LF_WSPD
(Left front wheel-speed
sensor input)

KPH or MPH

• Vehicle is stopped: 0 KPH

{0 MPH}

• Vehicle is driving:

Indicates vehicle speed

Inspect wheel-speed
sensor/sensor rotor.

F, J

RF_WSPD
(Right front wheel-speed
sensor input)

KPH or MPH

• Vehicle is stopped: 0 KPH

{0 MPH}

• Vehicle is driving:

Indicates vehicle speed

Inspect wheel-speed
sensor/sensor rotor.

I, M

LR_WSPD
(Left rear wheel-speed
sensor input)

KPH or MPH

• Vehicle is stopped: 0 KPH

{0 MPH}

• Vehicle is driving:

Indicates vehicle speed

Inspect wheel-speed
sensor/sensor rotor.

N, Q

RR_WSPD
(Right rear wheel-speed
sensor input)

KPH or MPH

• Vehicle is stopped: 0 KPH

{0 MPH}

• Vehicle is driving:

Indicates vehicle speed

Inspect wheel-speed
sensor/sensor rotor.

H, K

LAT ACC
(Lateral-G sensor input)

• Vehicle is stopped or

driving straight: 0 G

• Cornering to left: Changes

between 0 G and 1.27 G

• Cornering to right:

Changes between 0 G and
-1.28 G

Inspect ABS wheel-speed
sensor/sensor rotor.

YAW_RATE
(Yaw rate sensor input)

DG/S

• Vehicle is stopped or

driving straight: 0 DG/S

• Cornering to left: Changes

between 0 DG/S and 127
DG/S

• Cornering to right:

Changes between 0 DG/S
and -128 DG/S

Inspect combine sensor.
(See

P–43 COMBINE

SENSOR INSPECTION

MCYLI P
(Brake fluid pressure
sensor input)

MPA

• Brake pedal is released: 0

MPA

• Brake pedal is depressed:

Changes between 0 MPA
and 25.5 MPA

Inspect DSC HU/CM.
(See

)

—

TCSOUTD
(Torque reduction request
value)

• Torque reduction is not

requested: 0 %

• Torque reduction is

requested: Changes
between 0 % and 100 %

Inspect DSC HU/CM.
(See

)

—

TPI
(Throttle position signal
input)

—

• Closed throttle position: 0

• Wide open throttle:

Changes between 1 and 7

Inspect PCM and throttle
position sensor.

—

ABS_VOLT
(System battery voltage
value)

• Ignition key at ON: B+

• Idle: Approx. 14—16 V

Inspect power supply circuit.
(See