Mazda 6 2002 Workshop Manual page 626

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
DTC
WDS or
equiva-
lent
U2516 Can communication
PID/DATA Monitor Table
PID Name
(Definition)
RPM
(Engine speed signal
input)
TRANSGR
(Transale gear position)
TRAC_SW
(TCS OFF switch input)
TC LVAL
(Traction switch solenoid
valve (LF-RR))
TC RVAL
(Traction switch solenoid
valve (RF-LR))
L_DSC O
(Stability control solenoid
valve (LF-RR))
R_DSC O
(Stability control solenoid
valve (RF-LR))
CCNTABS
(Number of continuous
codes)
PMPSTAT
(Pump motor output state)
BRK_FLUID
(Brake fluid level sensor
input)
Diagnosis system component
Unit/Condition Condition/Specification
• Engine is stopped: 0 RPM
RPM • Engine is running:
Indicates engine speed
• Selector lever position is
displayed
ATX
— D range (1GR): 1
— D range (2GR): 2
— D range (3GR): 3
— D range (4GR): 4
— P position: P
— N position: N
1/2/3/4/P/R/N
— R position: R
MTX
— 1GR: 1
— 2GR: 2
— 3GR: 3
— 4GR: 4
— 5GR: 5
— Neutral: N
— Reverse: R
• TCS (DSC) OFF switch is
depressed: ON
ON/OFF
• TCS(DSC) OFF switch is
released: OFF
• Solenoid valve is
activated: ON
ON/OFF
• Solenoid valve is
deactivated: OFF
• Solenoid valve is
activated: ON
ON/OFF
• Solenoid valve is
deactivated: OFF
• Solenoid valve is
activated: ON
ON/OFF
• Solenoid valve is
deactivated: OFF
• Solenoid valve is
activated: ON
ON/OFF
• Solenoid valve is
deactivated: OFF
DTC is detected: 1—255
—
DTC is not detected: 0
• Pump motor is activated:
ON
ON/OFF
• Pump motor is
deactivated: OFF
• Brake fluid is above LOW:
YES
YES/NO
• Brake fluid is below LOW:
NO
Page
(See T–144 DTC U0073, U1900, U2516
Action
Inspect PCM.
Inspect PCM, TR switch, or
DSC HU/CM.
Inspect TCS(DSC) OFF
switch.
Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See P–38 DSC HU/CM
REMOVAL/
INSTALLATION)
Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See P–38 DSC HU/CM
REMOVAL/
INSTALLATION)
Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See P–38 DSC HU/CM
REMOVAL/
INSTALLATION)
Internal fault of DSC HU/
CM. Replace DSC HU/CM.
(See P–38 DSC HU/CM
REMOVAL/
INSTALLATION)
Perform inspection using
appropriate DTC.
Inspect DSC HU/CM.
(See P–40 DSC HU/CM
INSPECTION)
Inspect brake fluid level.
Inspect brake fluid level
sensor.
)
ABS/TCS HU/
CM or DSC HU/
CM terminal
—
—
P
AA
—
—
—
—
—
—
—
P–69