DESCRIPTION
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
U0230 |
No communication from the power back door ECU (back door motor unit) or back door closer ECU continues. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
RECONFIRM DTC OUTPUT |
(a) Reconfirm DTCs.
HINT:
If CAN MS bus DTC U1002 is output from the main body ECU (Techstream display: Main Body), troubleshoot for U1002 and check for malfunctions in the CAN MS bus circuit.
Result |
Proceed to |
---|---|
U1002 is not output from main body ECU (Techstream display: Main Body) |
A |
U1002 is output from main body ECU (Techstream display: Main Body) |
B |
B | ![]() |
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS |
|
2. |
CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result
Result |
Proceed to |
---|---|
w/ Power back door system |
A |
w/ Back door closer system |
B |
B | ![]() |
GO TO STEP 6 |
|
3. |
CHECK FOR OPEN IN CAN BUS WIRES (POWER BACK DOOR ECU (BACK DOOR MOTOR UNIT) BRANCH WIRE) |
(a) Turn the ignition switch off.
(b) Disconnect the power back door ECU (back door motor unit) connector. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
L20-6 (MPX1) - L20-5 (MPX2) |
Ignition switch off |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (POWER BACK DOOR ECU (BACK DOOR MOTOR UNIT) BRANCH WIRE) |
|
4. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
|
5. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE POWER BACK DOOR ECU (POWER BACK DOOR UNIT ASSEMBLY) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |
6. |
CHECK FOR OPEN IN CAN BUS WIRES (BACK DOOR CLOSER ECU BRANCH WIRE) |
(a) Turn the ignition switch off.
(b) Disconnect the back door closer ECU connector. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
L21-12 (MPX2) - L21-11 (MPX1) |
Ignition switch off |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (BACK DOOR CLOSER ECU BRANCH WIRE) |
|
7. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
|
8. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE BACK DOOR CLOSER ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |
Fuel consumption display (vehicles with Display Audio system)
The actual display may differ from that shown in “Display Audio System Owner’s
Manual”.
• The information related to fuel consumption is also displayed on the multi-information
display. (, 204) • To reset the average fuel consumption data displa ...
Steering Position Sensor Malfunction (B2414)
DESCRIPTION
The AFS ECU (headlight swivel ECU assembly) receives signals indicating the swerve-angle
from the steering angle sensor using CAN communication.
DTC No.
DTC Detection Condition
Trouble Area
B241 ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the air conditioning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...