DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display DTCs by blinking the EPS warning light.
WIRING DIAGRAM
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
HINT:
When the warning lights continue to blink, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in one or more ECUs is suspected.
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
CAN communication system DTCs are not output. |
A |
CAN communication system DTCs are output. |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
INSPECT DLC3 |
(a) Turn the ignition switch to ON. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F41-13 (TC) - F41-4 (CG) |
Ignition switch ON |
9 to 16 V |
NG |
GO TO STEP 4 |
|
3. |
REPLACE ECU |
(a) Turn the ignition switch off. |
|
(b) Replace the ECM.
Click here
(c) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(d) Check that the EPS warning light is blinking.
OK:
The EPS warning light is blinking.
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 the part.
Click here
OK |
END |
NG |
REPLACE POWER STEERING ECU ASSEMBLY |
4. |
CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) |
(a) Disconnect the A38 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F41-13 (TC) - A38-33 (TC) |
Always |
Below 1 Ω |
F41-13 (TC) or A38-33 (TC) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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 the part. Click here |
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU |
|
6. |
REPLACE ECU |
(a) Replace the ECM. |
|
(b) Using SST, connect terminals TC and CG of the DLC3.
Click here
SST: 09843-18040
(c) Check that the EPS warning light is blinking.
OK:
The EPS warning light is blinking.
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 the part.
Click here
OK |
END |
NG |
REPLACE POWER STEERING ECU ASSEMBLY |
Toyota CH-R Service Manual > Front Seat Inner Belt Assembly: Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT INNER BELT ASSEMBLY (for Driver Side)
(a) w/o Occupant Classification System:
(1) Check the resistance.
Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
...
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is not Displayed on In-vehicle Device
PROCEDURE
1.
CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL
(a) Check if track information is displayed normally on another "Bluetooth" audio
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OK:
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