Toyota CH-R Service Manual: Lost Communication with Lateral Acceleration Sensor Module (U0124)
DESCRIPTION
The ECM receives signals sent from the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding ECU or sensor.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
|---|---|---|---|---|---|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
When the ignition switch is turned ON, there is no communication between the ECM and airbag sensor assembly (yaw rate and acceleration sensor) for 1.25 seconds or more (1 trip detection logic). |
|
Comes on |
DTC stored |
PROCEDURE
|
1. |
CLEAR DTC AND PERFORM ROAD TEST |
(a) Clear the DTCs.
Click here
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HINT:
Write down the currently output DTCs before clearing them.
(b) Start the engine and drive the vehicle at a low speed.
|
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|
2. |
CHECK DTC OUTPUT (DTC U0124) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Powertrain > Engine and ECT > Trouble Codes(e) Read the DTCs using the Techstream.
|
Result |
Proceed to |
|---|---|
|
DTC U0124 is not output |
A |
|
DTC U0124 is output |
B |
| A | .gif) |
CHECK FOR INTERMITTENT PROBLEMS |
| B | |
GO TO CAN COMMUNICATION SYSTEM |
Pressure Control Solenoid "K" Electrical (P282B)
DESCRIPTION
According to current control by the ECM, the shift solenoid valve SLS controls
secondary pulley pressure and belt clamping pressure in accordance with the input
shaft torque.
...
Pressure Control Solenoid "J" Electrical (Shift Solenoid Valve SLP) (P2822)
DESCRIPTION
According to current control by the ECM, the shift solenoid valve SLP controls
primary pulley pressure in accordance with the requested gear ratio to perform gear
ratio changes.
...
Other materials:
Toyota CH-R Service Manual > Washer Level Warning Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL LEVEL WARNING SWITCH ASSEMBLY
(a) Install the level warning switch assembly as shown in the illustration.
Install in this Direction
(b) Connect the connector.
2. ADD WASHER FLUID
Click here
3. INSTALL FRONT FENDER LINER RH
...
Toyota CH-R Service Manual > Forced Release(for Tmmt Made): Operation Method
OPERATION METHOD
PROCEDURE
1. PRECAUTION
Click here
2. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY
Click here
3. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP LH
Click here
4. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP RH
HINT:
Use the same procedure as for the LH side.
...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
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