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 |
System Description
SYSTEM DESCRIPTION
1. PUSH-BUTTON START DESCRIPTION
(a) The push-button start uses a push-type engine switch, which the driver can
operate by merely carrying the electrical key. This system consists primarily of
the power management control ECU, engine s ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
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