Toyota CH-R Service Manual: Vehicle Speed Signal (C1541)
DESCRIPTION
The power steering ECU assembly receives vehicle speed signals from the skid control ECU (brake actuator assembly) via CAN communication. The ECU provides appropriate assist force in accordance with the vehicle speed based on the signals.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
|---|---|---|---|---|---|---|
|
C1541 |
Vehicle Speed Signal |
Vehicle speed signals via CAN communication are cut off for 3 seconds or more. |
|
EPS warning light: Comes on |
The ECU judges the system has returned to normal or the ignition switch is turned ON again |
- |
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here
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PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if DTC U0129 is output.
Click here
|
Result |
Proceed to |
|---|---|
|
DTC U0129 is not output. |
A |
|
DTC U0129 is output. |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)
|
|
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|
2. |
CHECK BRAKE CONTROL SYSTEM |
(a) Using the Techstream, check for DTCs and confirm that there are no malfunctions in the brake control system.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| A | |
REPLACE POWER STEERING ECU ASSEMBLY |
| B | |
GO TO BRAKE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)
|
Error in Matching of ECUs (C1567)
DESCRIPTION
Based on the steering sensor signal, the power steering ECU assembly determines
if the correct type of steering sensor is installed.
DTC No.
Detection Item
...
Short in Motor Circuit (C1521-C1523,C1528,C1531-C1555)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Warning Indicate
Return-to-normal Condition
Note
...
Other materials:
Toyota CH-R Service Manual > Spiral Cable: Components
COMPONENTS
ILLUSTRATION
*1
LOWER STEERING COLUMN COVER SUB-ASSEMBLY
*2
SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY
*3
UPPER STEERING COLUMN COVER
-
-
...
Toyota CH-R Service Manual > Brake Pedal: Installation
INSTALLATION
PROCEDURE
1. INSTALL BRAKE PEDAL PAD
(a) Install the brake pedal pad from the brake pedal support assembly.
2. INSTALL BRAKE PEDAL SUPPORT ASSEMBLY
(a) Install the nut to the brake pedal support assembly.
(b) Temporarily install the brake pedal support assembly with 2 n ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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