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 > Safety Connect System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The DCM (Telematics Transceiver) control the vehicle safety connect system
functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be
read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction
may be occurring in ...
Toyota CH-R Service Manual > Rear Wiper Motor: Removal
REMOVAL
PROCEDURE
1. REMOVE BACK DOOR TRIM UPPER PANEL ASSEMBLY
Click here
2. REMOVE BACK DOOR SIDE GARNISH LH
Click here
3. REMOVE BACK DOOR SIDE GARNISH RH
HINT:
Use the same procedure as for the LH side.
4. REMOVE BACK DOOR TRIM PANEL ASSEMBLY
Click here
5. REMOVE REA ...