Mazda 6. Manual — part 252
P–64
ON-BOARD DIAGNOSTIC (ABS/TCS)
End Of Sie
DTC C1414
A6E697567650W14
Diagnostic procedure
End Of Sie
DTC C1508
A6E697567650W17
Diagnostic procedure
End Of Sie
DTC C1510, C1511, C1512, C1513
A6E697567650W15
DTC
C1414
ABS (ABS/TCS) HU/CM mismatched installation
DETECTION
CONDITION
• Detection of situation where vehicle-type or drive system input signal and ABS (ABS/TCS) HU/CM
information remains incongruent through CAN information.
POSSIBLE
CAUSE
• Mismatched installation of ABS (ABS/TCS) HU/CM
STEP
INSPECTION
ACTION
1
INSPECT ABS (ABS/TCS) UNIT FOR
MISMATCHED INSTALLATION
• Verify ABS (ABS/TCS) HU/CM part number.
• Has a ABS (ABS/TCS) HU/CM with the
correct part number been installed?
Yes
Go to next step.
No
Replace with correct ABS (ABS/TCS) unit part number, then
go to Step 3.
2
Configulate ABS (ABS/TCS) HU/CM
• Does ABS (ABS/TCS) HU/CM configulate
properly?
Yes
Go to next step.
No
Replace ABS (ABS/TCS) HU/CM
3
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnected all disconnect
connectors.
• Clear DTC from memory.
• Is same DTC present?
Yes
Replace ABS (ABS/TCS) HU/CM, then go to next step.
No
Go to next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.
DTC
C1508
TCS control
DETECTION
CONDITION
• TCS control continues operation for 60 seconds or more
POSSIBLE
CAUSE
• System is normal
For protection of solenoid valves in the ABS/TCS HU/CM, or protection of the engine, sustained and
continual control of TCS is inhibited
STEP
INSPECTION
ACTION
1
VERIFY CURRENT STATUS OF
MALFUNCTION
• Clear DTC from memory
• Start engine and drive vehicle at 10 km/h
{6.2 mph} or above.
• Is same DTC present?
Yes
Replace ABS/TCS HU/CM, then go to next step.
No
Inspect intermittent concern using the same procedure as
engine control system.
2
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.
DTC
C1510
C1511
C1512
C1513
RF solenoid valve, motor or RF wheel-speed sensor/sensor rotor
LF solenoid valve, motor or LF wheel-speed sensor/sensor rotor
RR solenoid valve, motor or RR wheel-speed sensor/sensor rotor
LR solenoid valve, motor or LR wheel-speed sensor/sensor rotor
DETECTION
CONDITION
• Wheel lock is detected during ABS operation (pressure reduction inoperative).
• Pressure reduction on a single wheel continues for more than 20 seconds.
POSSIBLE
CAUSE
• Malfunction of solenoid valve in ABS (ABS/TCS) HU/CM
• Malfunction of wheel-speed sensor
• Damaged sensor rotor
• Stuck pump motor in ABS (ABS/TCS) HU/CM
ON-BOARD DIAGNOSTIC (ABS/TCS)
P–65
P
Diagnostic procedure
End Of Sie
DTC U2021
A6E697567650W16
Note
• To warm up the engine completely, idle the engine and wait for more than 5 minutes.
Diagnostic procedure
End Of Sie
STEP
INSPECTION
ACTION
1
VERIFY OTHER DTC HAS BEEN RECORDED
• Has any ABS wheel-speed sensor, sensor
rotor, solenoid valve, pump motor, or motor
relay related DTC been output?
Yes
Go to applicable DTC inspection.
No
Go to next step.
2
INSPECT ABS (ABS/TCS) HU/CM
OPERATION
• Perform ABS (ABS/TCS) HU/CM system
inspection.
(See
• Is it okay?
Yes
Go to next step.
No
Replace ABS (ABS/TCS) HU/CM, then go to next step.
3
VERIFY CURRENT STATUS OF
MALFUNCTION
• Clear DTC from memory.
(See
)
• Start engine and drive vehicle at 10 km/h
{6.2 mph} or above at least one minute.
• Gradually slow down and stop vehicle.
• Is same DTC present?
Yes
Replace ABS (ABS/TCS) HU/CM, then go to next step.
No
Go to next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.
DTC
U2021
Engine coolant temperature
DETECTION
CONDITION
• After engine is warmed up, engine coolant temperature is 0 °C {32 °F} or less, and TCS operation is
inhibited by PCM.
POSSIBLE
CAUSE
• System is normal. When engine coolant temperature rises, TCS operation is executed by PCM.
STEP
INSPECTION
ACTION
1
CHECK WHETHER ENGINE HAS WARMED
UP
• Has engine warmed up?
Yes
Go to next step.
No
Warm up the engine.
If TCS OFF light goes out, system is normal.
2
VERIFY THAT MALFUNCTION SYMPTOM
OCCURS AFTER ENGINE IS WARMED UP
• Warm up the engine.
• Is TCS indicator light also illuminated and
DTC C1119 obtained?
Yes
Go to DTC C1119 chart.
No
If TCS OFF light goes out, system is normal.
If TCS OFF light does not goes out, go to next step.
3
VERIFY TROUBLESHOOTING COMPLETED
• Clear DTC from memory.
(See
)
• Is same DTC present?
Yes
Replace ABS (ABS/TCS) HU/CM, then go to next step.
No
Go to next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.
P–66
ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
DSC SYSTEM WIRING DIAGRAM
A6E697367650W01
.
ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
A6E6920T005
1
IG switch
2
SUS 15A fuse
3
ABS 60 A fuse
4
Meter
5
ABS warning light
6
Brake system warning light
ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
P–67
P
End Of Sie
DSC ON-BOARD DIAGNOSIS
A6E697367650W02
On-Board Diagnostic (OBD) Test Description
1. (See
P–46 ABS (ABS/TCS) ON-BOARD DIAGNOSIS
DTC Table
7
DSC OFF light
8
DSC indicator light
9
CAN driver
10
Battery
11
Cruise actuator
12
DSC OFF switch
13
DLC-2
14
CAN-H
15
CAN-L
16
Wheel-speed sensor
17
Combine sensor
18
Steering angle sensor
19
Brake switch
20
Brake light
21
Back-up light switch (MTX only)
22
Back-up light
23
Audio unit, Wiper and washer switch,
Car-navegation unit, Auto leveling control unit
DTC
Diagnosis system component
Page
WDS or
equiva-
lent
B1318
DSC power supply
(See
B1342
DSC HU/CM
(See
B1483
Stop switch signal
(See
B1484
Stop switch signal
(See
B1486
Stop switch signal
(See
B1627
Reverse signal
(See
B2477
Module configuration
(See
C1095
Motor relay, pump motor
(See
C1096
Motor relay, pump motor
(See
C1119
Engine control system
(See
C1125
Brake fluid level sensor
(See
C1140
DSC HU (pump)
(See
C1145
Right front wheel-speed sensor
(See
P–81 DTC C1145, C1155, C1165, C1175
)
C1148
Right front wheel-speed sensor/sensor rotor
(See
P–83 DTC C1148, C1158, C1168, C1178,
)
C1155
Left front wheel-speed sensor
(See
P–81 DTC C1145, C1155, C1165, C1175
)
C1158
Left front wheel-speed sensor/sensor rotor
(See
P–83 DTC C1148, C1158, C1168, C1178,
)
C1165
Right rear wheel-speed sensor
(See
P–81 DTC C1145, C1155, C1165, C1175
)
C1168
Right rear wheel-speed sensor/sensor rotor
(See
P–83 DTC C1148, C1158, C1168, C1178,
)
C1175
Left rear wheel-speed sensor
(See
P–81 DTC C1145, C1155, C1165, C1175
)
C1178
Left rear wheel-speed sensor/sensor rotor
(See
P–83 DTC C1148, C1158, C1168, C1178,
)
C1186
Fail-safe relay
(See
C1194
Left front pressure reduction solenoid valve
(See
P–87 DTC C1194, C1198, C1210, C1214,
C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958
C1198
Left front pressure retention solenoid valve
(See
P–87 DTC C1194, C1198, C1210, C1214,
C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958
C1210
Right front pressure reduction solenoid valve
(See
P–87 DTC C1194, C1198, C1210, C1214,
C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958
C1214
Right front pressure retention solenoid valve
(See
P–87 DTC C1194, C1198, C1210, C1214,
C1242, C1246, C1250, C1254, C1400, C1410,
C1957, C1958
C1233
Left front wheel-speed sensor/sensor rotor
(See
P–83 DTC C1148, C1158, C1168, C1178,
)
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