DTC Code
|
DTC Detection Condition
|
Trouble Area
|
C1281
|
Stored only during test mode.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
C1421
|
Either condition is met:
Both of the following conditions continue for at least 1.2 seconds.
- The IG1 terminal voltage is between 9.5 V and 17.0 V.
- The VM/C1 terminal voltage is not within 4.4 V and 5.6 V.
Both of the following conditions continue for at least 1.2 seconds.
- The VM/C1 terminal voltage is between 4.4 V and 5.6 V.
- The PM/C1 terminal voltage is not within 0.19 V and 4.57 V.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
C1423
|
Both of the following conditions continue for at least 5 seconds
- The stop light switch is off.
- The PM/C1 terminal voltage is below 0.3 V.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
C1424
|
One of the following conditions is met:
- Noise occurs in the signal from the PM/C1 terminal 7 times or
more within 5 seconds
- When the vehicle speed drops from 40 km/h (25 mph) to 10 km/h
(6 mph), the master cylinder pressure does not change by at least
0.048 MPa.
- At a vehicle speed of 7 km/h (4 mph) or more, the PM/C1 terminal
voltage is between 0.86 and 1.0 V and master cylinder pressure does
not change by at least 0.048 MPa for 60 seconds or more.
- At a vehicle speed of 7 km/h (4 mph) or more, the PM/C1 terminal
voltage is 1.0 V or higher and master cylinder pressure does not
change by at least 0.048 MPa for 30 seconds or more.
- At a vehicle speed of 7 km/h (4 mph) or more with the stop light
switch ON, a state in which the master cylinder pressure sensor
input value is sufficiently greater than the estimated master pressure
continues for 1 second or more and this state occurs 5 or more times
each time the ignition switch is turned to ON, and this occurs 8
or more times consecutively.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
C1455
|
The IG1 terminal voltage is 9.5 V or higher and the PCTRL terminal voltage
is outside the range of 0.19 to 4.57 V for 1.2 seconds.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
C1457
|
The PCTRL terminal voltage is below 0.3 V for 5 seconds.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
C1458
|
One of the following conditions is met:
- When the vehicle speed is 10 km/h (6 mph) or more, noise occurs
in the signal from the PCTRL terminal 7 times or more within 5 seconds.
- When the vehicle speed drops from 40 km/h (25 mph) to 0 km/h
(0 mph), the control pressure does not change by at least 0.048
MPa, and this occurs 5 times.
- At a vehicle speed of 7 km/h (4 mph) or more, the PCTRL terminal
voltage is between 0.86 and 1.0 V and control pressure does not
change by at least 0.048 MPa for 60 seconds or more.
- At a vehicle speed of 7 km/h (4 mph) or more, the PCTRL terminal
voltage is 1.0 V or higher and control pressure does not change
by at least 0.048 MPa for 30 seconds or more.
- At a vehicle speed of 7 km/h (4 mph) or more with the stop light
switch ON, a state in which the pressure control sensor input value
is sufficiently higher than the estimated control pressure continues
for 1 second or more and this state occurs 5 or more times each
time the ignition switch is turned to ON, and this occurs 8 or more
times consecutively.
|
- Master cylinder pressure sensor circuit
- Skid control ECU, master cylinder pressure sensor (master cylinder
solenoid)
|
When replacing the skid control ECU (master cylinder solenoid), perform calibration
(See page
).
Other materials:
Removal
REMOVAL
CAUTION / NOTICE / HINT
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore ...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT FRONT PROPELLER SHAFT UNIVERSAL JOINT SPIDER BEARING
(a) Check the spider bearings for wear and damage.
(b) Check each spider bearing's axial play by turning the yoke while holding
the shaft tightly.
Maximum bearing axial play:
0 to 0.05 mm (0 to 0.002 i ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
When replacing the skid control ECU (brake actuator assembly), sensor, etc.,
turn the ignition switch off.
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the s ...