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 |
Operation Check
OPERATION CHECK
1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY)
(a) Open circuit indication
(1) If there is an open circuit between a No. 1 ultrasonic sensor and the clearance
warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed
as shown in the illustration.
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Proceed to the troubleshooting for each circuit in the table below.
Symptom
Suspected Area
See page
Passenger seat occupant conditions and displayed passenger airbag ON/OFF
indicator do not correspond
Tr ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL RADIATOR GRILLE
(a) Engage the 10 guides to install the radiator grille.
(b) Install the 2 clips.
(c) Install the 2 screws.
(d) Remove the protective tape.
(e) w/ Toyota Safety Sense P
(1) Engage the clamp.
(2) Connect the connector.
2. ADJUST MILLIMETER W ...