DESCRIPTION
When the power back door cannot be closed using the power back door closer switch, either of the following may be malfunctioning: 1) power back door closer switch circuit or 2) power back door ECU (power back door motor unit).
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (POWER BACK DOOR CLOSER SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Back Door / Data List.
(e) Check the Data List to determine if the power back door closer switch functions properly.
Back Door (Power Back Door ECU)
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
PBD Close SW |
Power back door closer switch signal / ON or OFF |
ON: Power back door closer switch on OFF: Power back door closer switch off |
- |
OK:
The power back door closer switch functions as specified in the normal condition column.
OK | ![]() |
REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) |
|
2. |
INSPECT POWER BACK DOOR CLOSER SWITCH |
(a) Remove the power back door closer switch (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
4 - 1 |
Pushed (on) |
Below 1 Ω |
4 - 1 |
Free (off) |
10 kΩ or higher |
*1 |
Component without harness connected (Power Back Door Closer Switch) |
NG | ![]() |
REPLACE POWER BACK DOOR CLOSER SWITCH |
|
3. |
CHECK HARNESS AND CONNECTOR (POWER BACK DOOR CLOSER SWITCH - POWER BACK DOOR ECU) |
(a) Disconnect the R17 power back door closer switch and L20 power back door ECU connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R17-4 (CLS) - L20-4 (DS1) |
Always |
Below 1 Ω |
R17-1 (E) - Body ground |
Always |
Below 1 Ω |
R17-4 (CLS) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
PROCEDURE
1. DISCHARGE FUEL SYSTEM PRESSURE
HINT:
(See page ).
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
3. REMO ...
Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION
This DTC is stored when items controlled by the main body ECU (multiplex network
body ECU) cannot be customized via the navigation system vehicle customization screen.
HINT:
The main body ECU (multiplex network body ECU) controls the items ...
Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)
DESCRIPTION
The DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
DTC Detection Condition
Trouble Area
U0101
Lost communication with ECM
CAN communication syst ...