ABS ON-BOARD DIAGNOSIS
id040200875600
On-Board Diagnostic (OBD) Test Description
Read/clear diagnostic results
PID/data monitor and record
Active command modes
Reading DTCs Procedure
1. Connect WDS or equivalent to the vehicle DLC-2 connector.
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2. Retrieve DTC by WDS or equivalent.
Clearing DTCs Procedures
1. After repairs have been made, perform the DTCs reading procedure.
2. Erase DTC by WDS or equivalent.
3. Ensure that the customer’s concern has been resolved.
PID/Data Monitor and Record Procedure
1. Connect WDS or equivalent to the vehicle DLC-2 connector.
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2. Access and monitor PIDs by WDS or equivalent.
Active Command Modes Procedure
1. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector.
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2. Turn the ignition switch to ON (Engine OFF) or start engine.
3. Activate active command modes using WDS or equivalent.
DTC Table
DTC |
Diagnosis system component |
Page |
---|---|---|
WDS or equiva- lent |
||
B1317
|
ABS power supply
|
(See DTC B1317, B1318.)
|
B1318
|
ABS power supply
|
(See DTC B1317, B1318.)
|
B1342
|
ABS CM
|
(See DTC B1342.)
|
C1095
|
Motor relay, pump motor
|
(See DTC C1095.)
|
C1141
|
Left front ABS sensor rotor
|
|
C1142
|
Right front ABS sensor rotor
|
|
C1143
|
Left rear ABS sensor rotor
|
|
C1144
|
Right rear ABS sensor rotor
|
|
C1145
|
Right front ABS wheel-speed sensor
|
|
C1155
|
Left front ABS wheel-speed sensor
|
|
C1165
|
Right rear ABS wheel-speed sensor
|
|
C1175
|
Left rear ABS wheel-speed sensor
|
|
C1233
|
Left front ABS wheel-speed sensor/sensor rotor
|
|
C1234
|
Right front ABS wheel-speed sensor/sensor rotor
|
|
C1235
|
Right rear ABS wheel-speed sensor/sensor rotor
|
|
C1236
|
Left rear ABS wheel-speed sensor/sensor rotor
|
|
C1267
|
ABS CM internal failure
|
(See DTC C1267.)
|
C1446
|
Brake light switch
|
(See DTC C1446.)
|
U2012
|
CAN communication
|
|
U2523
|
CAN communication
|
PID/DATA Monitor Table
PID Name (Definition) |
Unit/Condition |
Condition/Specification |
Action |
ABS HU/CM terminal |
---|---|---|---|---|
BOO_ABS
(Brake pedal switch input)
|
On/Off
|
• Brake pedal is depressed: On
• Brake pedal is released: Off
|
Inspect brake switch.
|
V
|
CCNTABS
(Number of continuous codes)
|
—
|
• DTC is detected: 1—255
• DTC is not detected: 0
|
Perform inspection using appropriate DTC.
|
—
|
LF_WSPD
(Left front ABS wheel-speed sensor input)
|
KPH or MPH
|
• Vehicle is stopped: 0 KPH {0 MPH}
• Vehicle is driving: Indicates vehicle speed
|
Inspect LF ABS wheel-speed sensor/sensor rotor.
|
I, K
|
LR_WSPD
(Left rear ABS wheel-speed sensor input)
|
KPH or MPH
|
• Vehicle is stopped: 0 KPH {0 MPH}
• Vehicle is driving: Indicates vehicle speed
|
Inspect LR ABS wheel-speed sensor/sensor rotor.
|
U, W
|
RF_WSPD
(Right front ABS wheel-speed sensor input)
|
KPH or MPH
|
• Vehicle is stopped: 0 KPH {0 MPH}
• Vehicle is driving: Indicates vehicle speed
|
Inspect RF ABS wheel-speed sensor/sensor rotor.
|
Q, O
|
RR_WSPD
(Right rear ABS wheel-speed sensor input)
|
KPH or MPH
|
• Vehicle is stopped: 0 KPH {0 MPH}
• Vehicle is driving: Indicates vehicle speed
|
Inspect RR ABS wheel-speed sensor/sensor rotor.
|
E, C
|
Active Command Modes Table
Command Name |
Definition |
Operation |
Note |
---|---|---|---|
PMP_MOTOR
|
ABS motor
|
On/Off
|
Ignition key at ON
(Engine running, vehicle is not moving)
|
LF_INLET
|
Left front ABS pressure retention solenoid valve
|
On/Off
|
|
LF_OUTLET
|
Left front ABS pressure reduction solenoid valve
|
On/Off
|
|
LR_OUTLET
|
Left rear ABS pressure reduction solenoid valve
|
On/Off
|
|
LR_INLET
|
Left rear ABS pressure retention solenoid valve
|
On/Off
|
|
RF_INLET
|
Right front ABS pressure retention solenoid valve
|
On/Off
|
|
RF_OUTLET
|
Right front ABS pressure reduction solenoid valve
|
On/Off
|
|
RR_INLET
|
Right rear ABS pressure retention solenoid valve
|
On/Off
|
|
RR_OUTLET
|
Right rear ABS pressure reduction solenoid valve
|
On/Off
|