Mazda Mazda6 Workshop Manual Supplement page 756

PID Name
(Definition)
PMPSTAT
(Pump motor output state)
BRK_FLUID (with DSC only)
(Brake fluid level sensor input)
BOO_ABS
(Brake pedal switch input)
ABS_LAMP
(ABS warning light driver
output state)
BRAKE_LMP
(BRAKE system warning light
output state)
ABSRR_O
(Right rear ABS pressure
reduction solenoid valve
output state)
ABSLR_O
(Left rear ABS pressure
reduction solenoid valve
output state)
ABSRF_O
(Right front ABS pressure
reduction solenoid valve
output state)
ABSLF_O
(Left front ABS pressure
reduction solenoid valve
output state)
ABSRR_I
(Right rear ABS pressure
reduction solenoid valve
output state)
ABSLR_I
(Left rear ABS pressure
retention solenoid valve output
state)
ON-BOARD DIAGNOSTIC
Unit/Condition Condition/Specification
• Pump motor is activated:
ON
ON/OFF
• Pump motor is deactivated:
OFF
• Brake fluid is above LOW:
OK
OK/LOW
• Brake fluid is below LOW:
LOW
• Brake pedal is depressed:
ON
ON/OFF
• Brake pedal is released:
OFF
• ABS warning light is
illuminated: ON
ON/OFF
• ABS warning light is not
illuminated: OFF
• BRAKE system warning
light is illuminated: ON
ON/OFF
• BRAKE system warning
light is not illuminated: OFF
• During ABS control: ON/
OFF
(solenoid valve is activated/
ON/OFF deactivated)
• Not ABS control: OFF
(solenoid valve is
deactivated)
• During ABS or EBD control:
ON/OFF
(solenoid valve is activated/
deactivated)
ON/OFF
• Not ABS and EBD control:
OFF
(solenoid valve is
deactivated)
• During ABS control: ON/
OFF
(solenoid valve is activated/
ON/OFF deactivated)
• Not ABS control: OFF
(solenoid valve is
deactivated)
• During ABS control: ON/
OFF
(solenoid valve is activated/
ON/OFF deactivated)
• Not ABS control: OFF
(solenoid valve is
deactivated)
• During ABS control: ON/
OFF
(solenoid valve is activated/
ON/OFF deactivated)
• Not ABS control: OFF
(solenoid valve is
deactivated)
• During ABS or EBD control:
ON/OFF
(solenoid valve is activated/
deactivated)
ON/OFF
• Not ABS and EBD control:
OFF
(solenoid valve is
deactivated)
ABS (ABS/
TCS) HU/CM or
Action
DSC HU/CM
terminal
Inspect DSC HU/CM
Inspect brake fluid
level.
Inspect brake fluid
level sensor.
Inspect brake switch.
ABS (ABS/
TCS): Y
Inspect ABS warning
light.
Inspect BRAKE
system warning light.
Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.
Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.
Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.
Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.
Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.
Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.
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DSC: L
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P
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