DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system variant learning.
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PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
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Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output. |
B |
B |
INSPECT CAN COMMUNICATION SYSTEM |
|
2. |
READ VALUE USING TECHSTREAM (SLIP INDICATOR LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Select the Active Test using the Techstream.
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Chassis > ABS/VSC/TRAC/EPB > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Slip Indicator Light |
Slip indicator light |
Indicator light ON/OFF |
Observe combination meter assembly |
Tester Display |
---|
Slip Indicator Light |
(d) Check that the slip indicator light on the combination meter assembly turns on or off in accordance with the Techstream operation.
OK:
The slip indicator light turns on or off in accordance with the Active Test operation.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.
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OK |
REPLACE BRAKE ACTUATOR ASSEMBLY |
|
3. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Turn the ignition switch off.
(b) Perform an Active Test of the combination meter assembly using the Techstream.
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Body Electrical > Combination Meter > Active Test
Tester Display |
---|
Indicat. Lamp Slip |
(c) Check the combination meter assembly.
OK:
The slip indicator light turns on or off in accordance with the Active Test operation.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.
Click here
OK |
REPLACE BRAKE ACTUATOR ASSEMBLY |
NG |
INSPECT METER / GAUGE SYSTEM |
Toyota CH-R Service Manual > Key Reminder Warning System: System Diagram
SYSTEM DIAGRAM
Key Reminder Warning System
Communication Table
Sender
Receiver
Signal
Line
Main Body ECU (Multiplex Network Body ECU)
Combination Meter Assembly
Driver door courtesy light switch signal
...
Toyota CH-R Service Manual > Steering Lock System: Data List / Active Test
DATA LIST / ACTIVE TEST
READ DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signal ...