The power back door system troubleshooting procedure is based on the premise that the smart entry and start system (for Entry Function) is operating normally. Check the power back door system first before troubleshooting the power back door system.
for HEV Model: Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Entry Function, HEV Model)>OPERATION CHECK202307,999999,_58,_115230,_0606511,RM100000002C245,
for Gasoline Model: Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Entry Function, Gasoline Model)>OPERATION CHECK202307,999999,_58,_115230,_0606491,RM100000002C222,
Use the following procedure to troubleshoot the power back door system.
*: Use the GTS.
| Proceed to |
|---|
| NEXT |
NEXT
Measure the auxiliary battery voltage with the ignition switch off.
11 to 14 V
A simple method to determine whether the auxiliary battery is discharged is to operate the horn.
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.
Check the fuses and relays.
Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
| Proceed to |
|---|
| NEXT |
NEXT
Using the GTS, check for LIN communication system DTCs.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
A
B
Use the GTS to check if the CAN communication system is functioning normally.
for HEV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>HOW TO PROCEED WITH TROUBLESHOOTING202307,999999,_57,_104409,_0606038,RM100000002C0LC,
for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING202307,202405,_57,_104409,_0605911,RM100000002C07Y,202405,999999,_57,_104409,_0605911,RM100000002NU3H,
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
A
B
for HEV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>HOW TO PROCEED WITH TROUBLESHOOTING202307,999999,_57,_104409,_0606038,RM100000002C0LC,
for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING202307,202405,_57,_104409,_0605911,RM100000002C07Y,202405,999999,_57,_104409,_0605911,RM100000002NU3H,
Check for DTCs.
Clear the DTCs.
Recheck for DTCs.
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
A
B
Refer to Problem Symptoms Table.
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table | A |
| Fault is listed in Problem Symptoms Table | B |
A
B
Data List / Active Test
| Proceed to |
|---|
| NEXT |
NEXT
Check whether the replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU, the disconnection of the cable of the negative (-) auxiliary battery terminal with the back door open, or the removal and installation or replacement of the power source system fuses has been performed.
| Result | Proceed to |
|---|---|
| The replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU, the disconnection of the cable of the negative (-) auxiliary battery terminal with the back door open, or the removal and installation or replacement of the power source system fuses has been performed. | A |
| The replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU, the disconnection of the cable of the negative (-) auxiliary battery terminal with the back door open, or the removal and installation or replacement of the power source system fuses has not been performed. | B |
A
B
Initialize the power back door system.
| Proceed to |
|---|
| NEXT |
NEXT
| Proceed to |
|---|
| NEXT |
NEXT