CALIBRATION
TORQUE SENSOR ZERO POINT CALIBRATION (USING TECHSTREAM)
NOTICE:
Perform torque sensor zero point calibration if any of the following conditions occur:
(a) Perform inspection before calibration.
(1) Turn the ignition switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch to ON.
(4) Turn the Techstream on.
(5) Calibrate the power steering ECU assembly. Enter the following menus: Chassis / EMPS / Data List.
(6) Check the values by referring to the table below.
Chassis > EMPS > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
IG Power Supply |
IG power source voltage |
Min.: 0.0000 V Max.: 20.1531 V |
8 to 16 V |
Ignition switch ON |
Tester Display |
---|
IG Power Supply |
Standard Voltage:
8 to 16 V
NOTICE:
If the IG power supply voltage is 8 V or less, calibration cannot be performed. In this case, charge or replace the battery, and then perform calibration.
(b) Perform torque sensor zero point calibration.
NOTICE:
If DTC C1516 (Torque Sensor Zero Point Adjustment Incomplete) is stored, the torque sensor zero point cannot be calibrated. Clear the DTCs before starting calibration.
(1) Align the front wheels straight ahead and center the steering wheel.
(2) Turn the ignition switch off.
(3) Connect the Techstream to the DLC3.
(4) Turn the ignition switch to ON.
(5) Turn the Techstream on.
(6) Enter the following menus: Chassis / EMPS / Utility / Torque Sensor Adjustment.
Chassis > EMPS > Utility
Tester Display |
---|
Torque Sensor Adjustment |
NOTICE:
(7) Check for DTCs.
Click here
NOTICE:
If DTC C1515, C1516, C1534 or C1581 is output, perform troubleshooting for the corresponding DTC.
Result |
See Procedure |
---|---|
DTC C1515 is output. |
|
DTC C1516 is output. |
|
DTC C1534 is output. |
|
DTC C1581 is output. |
|
ASSIST MAP WRITING (USING TECHSTREAM)
NOTICE:
Perform assist map writing if the following condition occurs:
The power steering ECU assembly has been replaced.
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / EMPS / Utility / Signal Check.
Chassis > EMPS > Utility
Tester Display |
---|
Signal Check |
HINT:
(f) Wait for at least 5 seconds.
(g) Check for DTCs.
Click here
HINT:
After writing the assist map, if DTC C1581 is output, perform the troubleshooting procedure for DTC C1581.
Click here
Toyota CH-R Owners Manual > If you have a flat tire: Replacing a flat tire
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Toyota CH-R Service Manual > Continuously Variable Transaxle Assembly(when Using The Engine Support Bridge): Installation
INSTALLATION
CAUTION / NOTICE / HINT
PROCEDURE
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HINT:
Perform this procedure only when replacement of the transmission breather hose
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