DESCRIPTION
The skid control ECU (master cylinder solenoid) measures the speed of each wheel by receiving signals from the speed sensors. These signals are used for recognizing whether all 4 wheels are operating properly. Therefore, all wheel signals must be equal.
DTC No. |
DTC Detecting Condition |
Trouble Areas |
---|---|---|
C1337 |
When either one of following condition detected:
|
|
CAUTION / NOTICE / HINT
NOTICE:
Check the speed sensor signal after replacement (See page
).
PROCEDURE
1. |
CHECK TIRE SIZE |
(a) Check tire size and condition of all 4 wheels.
OK:
All 4 wheels are the same size and in the same condition.
NG | ![]() |
REPLACE TIRES SO THAT ALL 4 TIRES ARE SAME IN SIZE |
|
2. |
CHECK SPEED SENSOR ROTOR |
(a) Remove the drive shaft, and check around the speed sensor rotor.
OK:
No scratches or foreign matter on the sensor tip.
NG | ![]() |
REPLACE SPEED SENSOR ROTOR |
|
3. |
CHECK SPEED SENSOR |
(a) Check the speed sensor circuit.
NG | ![]() |
REPLACE SPEED SENSOR |
|
4. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - EACH SPEED SENSOR) |
(a) Check the speed sensor circuit .
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
RECONFIRM DTC |
(a) Clear the DTCs (See page
).
(b) Drive the vehicle at more than 20 km/h (13 mph) for more than 60 seconds.
(c) Check if the same DTCs are detected.
Result |
Proceed to |
---|---|
DTC output |
A |
DTC not output |
B |
A | ![]() |
REPLACE MASTER CYLINDER SOLENOID |
B | ![]() |
END |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
VSC System
DTC Code
Detection Item
See page
C1201
Engine Control System Malfunction
C1203
ECM Communication Circuit Malfunction
C120B
...
Radio Broadcast cannot be Received or Poor Reception
PROCEDURE
1.
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Check the radio automatic station search function.
(1) Check the radio automatic station search function by activating it.
Result
Result
Proceed to
Automatic station ...
System Description
SYSTEM DESCRIPTION
1. FUNCTION DESCRIPTION
(a) ABS (Anti-lock Brake System)
(1) The ABS helps prevent the wheels from locking when the brakes are applied
firmly or when braking on a slippery surface.
(b) EBD (Electronic Brake force Distribution)
(1) The EBD control utilizes ABS, and performs ...