CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
What |
Vehicle model, system name |
When |
Date, time, occurrence frequency |
Where |
Road conditions |
Under what conditions? |
Running conditions, driving conditions, weather conditions |
How did it happen? |
Problem symptoms |
|
3. |
INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output (See page
).
(b) Clear the DTCs.
(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.
Result |
Proceed to |
---|---|
DTC is not output |
A |
CAN communication system DTC is output |
B |
Wireless door lock control system DTC is output |
C |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
C | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
5. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
Result |
Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table. |
A |
Fault is listed in Problem Symptoms Table. |
B |
B | ![]() |
GO TO STEP 7 |
|
6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check (See page )
(b) Terminals of ECU (See page )
(c) Data List / Active Test (See page )
|
7. |
REPAIR OR REPLACE |
|
8. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. INSTALL REAR AXLE CARRIER SUB-ASSEMBLY
(a) Temporarily install the rea ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR
SYSTEM)
(a) Disconnect the L20 power back door ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
...
Lost Communication with A/C ECU (U0164)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0164
No communication from the air conditioning amplifier continues.
Air conditioning amplifier branch wire or connect ...