DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the ECM via the CAN communication system.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1437 |
When the IG1 terminal voltage is 10 V or higher and the vehicle speed is 15 km/h (9 mph) or more, data cannot be sent from the ECM for 2 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform calibration (See page ).
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (MOMENTARY INTERRUPTION) |
(a) Using the Techstream, check for any momentary interruption in the wire harness and connector corresponding to the DTC (See page ).
ABS/VSC/TRAC
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
EFI Communication Open |
EFI communication open detection/ Error or Normal |
Normal |
- |
OK:
Normal (there are no momentary interruptions).
HINT:
Perform the above inspection before removing the sensor and connector.
NG |
GO TO STEP 3 |
|
2. |
RECONFIRM DTC |
(a) Clear the DTCs (See page ).
(b) Turn the ignition switch off.
(c) Start the engine.
(d) Drive the vehicle at a speed of 15 km/h (9 mph) or more for 10 seconds or more.
(e) Check that no CAN communication system DTC is output (See page ).
(f) Check if the same DTC is output (See page ).
Result
Result |
Proceed to |
---|---|
DTC C1437 is not output |
A |
DTC C1437 is output |
B |
CAN communication system DTC is output |
C |
A |
USE SIMULATION METHOD TO CHECK |
B |
GO TO ENGINE CONTROL SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
C |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
3. |
REPAIR OR REPLACE HARNESS OR CONNECTOR (SKID CONTROL ECU - ECM) |
(a) Turn the ignition switch off.
(b) Repair or replace the harness or connector.
(c) Check for any momentary interruption between the skid control ECU (master cylinder solenoid) and ECM (See page ).
(d) Check that there is no momentary interruption.
|
4. |
RECONFIRM DTC |
(a) Clear the DTCs (See page ).
(b) Turn the ignition switch off.
(c) Start the engine.
(d) Drive the vehicle at a speed of 15 km/h (9 mph) or more for 10 seconds or more.
(e) Check that no CAN communication system DTC is output (See page ).
(f) Check if the same DTC is output (See page ).
Result
Result |
Proceed to |
---|---|
DTC C1437 is not output |
A |
DTC C1437 is output |
B |
CAN communication system DTC is output |
C |
A |
END |
B |
REPLACE MASTER CYLINDER SOLENOID |
C |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
Cruise control
Use the cruise control to maintain a set speed without depressing the accelerator
pedal.
Indicator
Cruise control switch
■ Setting the vehicle speed
Press the ON-OFF button to activate the cruise control.
Cruise control indicator will come on.
Press the button again to deactivate ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Put matchmarks on the steering intermediate shaft assembly and steering main
shaft assembly.
(b) Remove the bolt and steering intermediate shaft assembly.
2. REMOVE UPPER STEERING COLUMN BRACKET WITH SWITCH ASSEMBLY (w ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Vacuum Brake Booster
*B
for Hydraulic Brake Booster
*1
SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*2
SKID CONTROL ECU (MASTER CYLINDER SOLENOID)
*3
...