DESCRIPTION
If the jam protection function activates during power back door operation, one of the following may be the cause: 1) improper fit of back door or a foreign object stuck in the back door, 2) malfunction in the power back door sensor assembly circuit or 3) multiplex network door ECU malfunction.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors has been disconnected, initialize the power back door system.
PROCEDURE
CHECK POWER BACK DOOR SYSTEM
Check if there are any foreign objects interfering with back door operation.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
REMOVE FOREIGN OBJECT |
| A |
|
CHECK BACK DOOR OPERATION
Check back door operation.
Set the customize setting "Power Back Door Function" on the multi-information display to OFF.
Note
This check is possible only when the "Power Back Door Function" customize setting is set to OFF on the multi-information display in the combination meter assembly. (The default setting is ON.)
Open/close the back door by hand.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Set the customize setting "Power Back Door Function" on the multi-information display to ON.
Note
The "Power Back Door Function" customize setting is set to ON on the multi-information display in the combination meter assembly must be set to ON for the power back door system to operate.
| B |
|
ADJUST BACK DOOR |
| A |
|
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Back Door / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| PBD Touch Sensor (Right) | Power back door sensor assembly RH signal | OFF, ON or Open | OFF: Power back door sensor assembly RH not pressed ON: Power back door sensor assembly RH pressed Open: Power back door sensor assembly RH circuit open |
- |
| PBD Touch Sensor (Left) | Power back door sensor assembly LH signal | OFF, ON or Open | OFF: Power back door sensor assembly LH not pressed ON: Power back door sensor assembly LH pressed Open: Power back door sensor assembly LH circuit open |
- |
| Tester Display |
|---|
| PBD Touch Sensor (Right) |
| PBD Touch Sensor (Left) |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH Click here |
| C |
|
INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH Click here |
| A |
|
REPLACE POWER BACK DOOR UNIT ASSEMBLY SET
Replace the power back door unit assembly set with a new or known good one.
| Result | ||
|---|---|---|
|
| NEXT |
|
CHECK POWER BACK DOOR SYSTEM
Check the power back door system operation.
| OK |
|---|
| Power back door system operates normally |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (POWER BACK DOOR UNIT ASSEMBLY SET WAS MALFUNCTIONING) |
| NG |
|
REPLACE MULTIPLEX NETWORK DOOR ECU Click here |
INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH
Remove the power back door sensor assembly RH.
Inspect the power back door sensor assembly RH.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)
Disconnect the Z14 power back door sensor assembly RH connector.
Disconnect the Z16 multiplex network door ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MULTIPLEX NETWORK DOOR ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH
Remove the power back door sensor assembly LH.
Inspect the power back door sensor assembly LH.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)
Disconnect the Z3 power back door sensor assembly LH connector.
Disconnect the Z16 multiplex network door ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MULTIPLEX NETWORK DOOR ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |