Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The power back door system troubleshooting procedure is based on the premise that the smart key 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 here
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for Gasoline Model: Click here
- Use the following procedure to troubleshoot the power back door system.
- *: Use the GTS.
PROCEDURE
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1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. |
INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard voltage:
11 to 14 V
HINT:
- 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.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 3. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the GTS to check if the CAN communication system is functioning normally.
for HEV Model: Click here
for Gasoline Model: Click here
|
Result | Proceed to |
|---|---|
|
DTC is not output | A |
|
DTC is output | B |
| B |
.gif) | GO TO CAN COMMUNICATION SYSTEM
|
|
| 4. |
CHECK FOR DTC* |
(a) Check for DTCs.
Body Electrical > Back Door > Trouble Codes(b) Clear the DTCs.
Body Electrical > Back Door > Clear DTCs(c) Recheck for DTCs.
Body Electrical > Back Door > Trouble Codes|
Result | Proceed to |
|---|---|
|
DTCs are not output | A |
|
DTCs are output | B |
| B |
| GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 5. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
|
Result | Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
| Fault is listed in Problem Symptoms Table |
B |
| B |
| ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
|
| 6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
|
| 7. |
ADJUST, REPAIR OR REPLACE |
(a) 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 |
| B |
| GO TO STEP 9 |
|
| 8. |
INITIALIZE POWER BACK DOOR SYSTEM |
(a) Initialize the power back door system.
Click here
|
| 9. |
CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Operation Check
OPERATION CHECK OPERATION CONDITION
NOTICE:
This check is possible only when the "System Settings" customization setting using the multi-information display in the combination meter assembly is set
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE POWER BACK DOOR SYSTEM
HINT: The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that the function can
Initialization
INITIALIZATION INITIALIZE MULTIPLEX NETWORK DOOR ECU
NOTICE: Initialization of the multiplex network door ECU (back door initial position learning) is necessary if the following work procedures are p
SEE MORE:
Precaution
PRECAUTION PRECAUTIONS WHEN INSPECTING STOP AND START SYSTEM
NOTICE: When the audio and visual system volume is high, a fail-safe function may operate in order to maintain the operation of stop and start control. The fail-safe function is canceled when the ignition switch is turned off. Using the
Pressure Control Solenoid "M" Circuit Short to Ground or Open (P08C314)
DESCRIPTION
Refer to DTC P08C312.
Click here
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
Memory
Note
P08C314
Pressure Control Solenoid "M" Circuit Short to Grou
