Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM10000000263S6 |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 -
] |
Title: POWER DISTRIBUTION: POWER INTEGRATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] |
HOW TO PROCEED WITH TROUBLESHOOTING
|
CAUTION / NOTICE / HINT
HINT:
-
Use these procedures to troubleshoot the power integration system.
-
*: Use the GTS.
PROCEDURE
1.
|
VEHICLE BROUGHT TO WORKSHOP
|
NEXT
|
|
|
2.
|
INSPECT AUXILIARY BATTERY VOLTAGE
|
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.
NEXT
|
|
|
3.
|
CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*
|
(a) Using the GTS, check the CXPI communication function to ensure that there are no malfunctions in the communication system.
No DTCs output
|
|
|
4.
|
CHECK VEHICLE CONTROL HISTORY (RoB)*
|
(a) Using the GTS, check for Vehicle Control History (RoB).
Body Electrical > Power Distribution Box > Utility
Tester Display
|
Vehicle Control History (RoB)
|
(b) If the vehicle control history (RoB) is output, record it.
Result
|
Proceed to
|
Vehicle Control History (RoB) is not output
|
A
|
Vehicle Control History (RoB) is output
|
B
|
A
|
|
|
(a) Check for DTCs and make a note of any codes that are output.
Click here
(b) Clear the DTCs.
Body Electrical > Power Distribution Box > Clear DTCs
(c) Recheck for DTCs.
Body Electrical > Power Distribution Box > Trouble Codes
No DTCs output
|
|
|
6.
|
PROBLEM SYMPTOMS TABLE
|
(a) Refer to the Problem Symptoms Table.
Click here
Fault is listed in problem symptoms table |
|
ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
|
Fault is not listed in problem symptoms table
|
|
|
7.
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
|
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
(c) Problem Symptoms Table
Click here
NEXT
|
|
|
8.
|
ADJUST, REPAIR OR REPLACE
|
NEXT |
|
END
|
|