Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001FQOF |
Model Year Start: 2019 |
Model: RAV4 HV |
Prod Date Range: [11/2018 - 10/2023] |
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): Power Back Door cannot be Operated Using Any Switch; 2019 - 2023 MY RAV4 HV [11/2018 - 10/2023] |
Power Back Door cannot be Operated Using Any Switch
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DESCRIPTION
The power back door controls the multiplex network door ECU and operates the power back door unit assembly and back door lock assembly.
If the power back door does not operate using any of the operations, a malfunction related to the power back door operation conditions or multiplex network door ECU are possible causes.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.
Click here
-
Inspect fuses for circuits related to this system before performing the following inspection procedure.
-
This check is possible only when the power back door function customization setting using the multi-information display in the combination meter assembly is set to ON (initial setting is ON).
Click here
-
If the replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU has been performed, initialize the power back door system.
Click here
-
If the 2-step unlock function is enabled via customize settings, only the driver door unlocks when the first unlock operation is performed and the power back door does not operate as all the doors are not unlocked.
PROCEDURE
1.
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CHECK VEHICLE CONDITION
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(a) Check that power back door function on the multi-information display in the combination meter assembly is set to ON.
Click here
Result
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Proceed to
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Power back door function on the multi-information display in the combination meter assembly is set to ON (power back door system operation is permitted)
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A
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Power back door function on the multi-information display in the combination meter assembly is set to OFF (power back door system operation is prohibited)
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B
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B |
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SET POWER BACK DOOR FUNCTION TO ON (PERMIT POWER BACK DOOR SYSTEM OPERATION)
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A
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|
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2.
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CHECK CUSTOMIZE SETTING (UNLOCK KEY TWICE)
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(a) Read the customize setting "Unlock Key Twice" according to the display on the GTS.
Click here
Result
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Proceed to
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The customize setting is "OFF"
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A
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The customize setting is "ON"
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B
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A
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|
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3.
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CHECK CUSTOMIZE SETTING (UNLOCK 2 OPERARTION)
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(a) Read the customize setting "Unlock 2 Operattion" according to the display on the GTS.
Click here
Result
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Proceed to
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The customize setting is "OFF"
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A
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The customize setting is "ON"
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B
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A
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|
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4.
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CHECK POWER BACK DOOR SYSTEM CONDITION
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(a) Check power back door system condition.
Result
|
Proceed to
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The malfunction symptom reproduces
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A
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The malfunction symptom does not reproduce
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B
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A
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|
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5.
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CHECK COMBINATION METER ASSEMBLY
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(a) With the vehicle stopped and hybrid control system started, check the shift position indicator operation and that the speedometer indicates 0 km/h (0 mph).
OK:
Combination meter operates normally.
OK
|
|
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(a) Clear the DTCs.
Click here
Body Electrical > Back Door > Clear DTCs
(b) Check for DTCs.
Click here
Body Electrical > Back Door > Trouble Codes
OK:
DTC is not output.
OK
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|
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7.
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CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - BATTERY AND BODY GROUND)
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(a) Disconnect the multiplex network door ECU connectors.
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*a
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Rear view of wire harness connector
(to Multiplex Network Door ECU)
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|
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(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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R19-10 (GND) - Body ground
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Always
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Below 1 Ω
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(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
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Switch Condition
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Specified Condition
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R18-20 (ECUB) - Body ground
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Power switch off
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11 to 14 V
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R19-1 (B) - Body ground
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Power switch off
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11 to 14 V
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R18-18 (IG) - Body ground
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Power switch on (IG)
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11 to 14 V
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Power switch off
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Below 1 V
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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OK
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|
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8.
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READ VALUE USING TECHSTREAM
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(a) Read the Data List according to the display on the Techstream.
Click here
Body Electrical > Back Door > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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PBD Main SW
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Power back door ON/OFF signal
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ON or OFF
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Current customize setting displayed
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-
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Door Lock Signal
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Back door condition signal
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Lock or Unlock
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Lock: Back door locked
Unlock: Back door unlocked
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-
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Body Electrical > Back Door > Data List
Tester Display
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PBD Main SW
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Door Lock Signal
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Result
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Proceed to
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Either item is normal
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A
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"PBD Main SW" item does not switch to "ON" or "OFF" according to main switch operation
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B
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"Door Lock Signal" item does not switch to "Lock" or "Unlock" according to operation to lock or unlock all doors
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C
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A
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|
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9.
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READ VALUE USING TECHSTREAM
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(a) Read the Data List according to the display on the Techstream.
Click here
Body Electrical > Back Door > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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PBD Touch Sensor (Right)
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Power back door sensor assembly RH signal
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ON, OFF or Open
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ON: Power back door sensor assembly RH pressed
OFF: Power back door sensor assembly RH not pressed
Open: Power back door sensor assembly RH circuit open
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-
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PBD Touch Sensor (Left)
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Power back door sensor assembly LH signal
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ON, OFF or Open
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ON: Power back door sensor assembly LH pressed
OFF: Power back door sensor assembly LH not pressed
Open: Power back door sensor assembly LH circuit open
|
-
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Body Electrical > Back Door > Data List
Tester Display
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PBD Touch Sensor (Right)
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PBD Touch Sensor (Left)
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Result
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Proceed to
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On the Techstream screen, ON or OFF is displayed accordingly
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A
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On the Techstream screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly RH
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B
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On the Techstream screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly LH
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C
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B
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|
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10.
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INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH
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(a) Remove the power back door sensor assembly RH.
Click here
(b) Inspect the power back door sensor assembly RH.
Click here
OK
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|
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11.
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CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)
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(a) Disconnect the R8 power back door sensor assembly RH connector.
(b) Disconnect the R18 multiplex network door ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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R8-1 (OSR) - R18-6 (OSR)
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Always
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Below 1 Ω
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R8-2 (OSRE) - R18-24 (OSE)
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Always
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Below 1 Ω
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R8-1 (OSR) or R18-6 (OSR) - Body ground
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Always
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10 kΩ or higher
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R8-2 (OSRE) or R18-24 (OSE) - Body ground
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Always
|
10 kΩ or higher
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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12.
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CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - MULTIPLEX NETWORK DOOR ECU)
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(a) Disconnect the G43 main body ECU (multiplex network body ECU) connector.
(b) Disconnect the R18 multiplex network door ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
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Specified Condition
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G43-13 (LSBO) - R18-12 (LIB)
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Always
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Below 1 Ω
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G43-13 (LSBO) or R18-12 (LIB) - Body ground
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Always
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10 kΩ or higher
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
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13.
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CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
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(a) Remove the main body ECU (multiplex network body ECU) with the connector(s) still connected.
Click here
|
|
*a
|
Component with harness connected
(Main Body ECU [Multiplex Network Body ECU])
|
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
G43-13 (LSBO) - Body ground
|
Always
|
11 to 14 V
|
14.
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INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH
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(a) Remove the power back door sensor assembly LH.
Click here
(b) Inspect the power back door sensor assembly LH.
Click here
OK
|
|
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15.
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CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)
|
(a) Disconnect the R9 power back door sensor assembly LH connector.
(b) Disconnect the R18 multiplex network door ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
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Specified Condition
|
R9-1 (OSL) - R18-26 (OSL)
|
Always
|
Below 1 Ω
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R9-2 (OSLE) - R18-24 (OSE)
|
Always
|
Below 1 Ω
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R9-1 (OSL) or R18-26 (OSL) - Body ground
|
Always
|
10 kΩ or higher
|
R9-2 (OSLE) or R18-24 (OSE) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|