Interior Light Auto Cut Circuit [09/2022 - 11/2022]: Procedure
WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- PERFORM ACTIVE TEST USING TECHSTREAM
- Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note Relay for Interior Light Auto Cut Function DOME CUT relay OFF or ON When performing this Active Test, turn all the interior lights on. - OFF: DOME CUT relay on (interior lights turn on)
- ON: DOME CUT relay off (interior lights turn off)
Body Electrical > Main Body > Active Test
Tester Display Relay for Interior Light Auto Cut Function OK
All of the interior lights turn off when ON is selected.
Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
Refer to PROBLEM SYMPTOMS TABLE [09/2022 - 11/2022]
Result:
NG
See step 2
- Perform the Active Test according to the display on the Techstream.
- CHECK HARNESS AND CONNECTOR (POWER SOURCE - POWER DISTRIBUTION BOX ASSEMBLY)
- Disconnect the 8K power distribution box assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition 8K-1 - Body ground Always 11 to 14 V Result
Proceed to OK NG
Result:
OK
REPLACE POWER DISTRIBUTION BOX ASSEMBLY
Refer to REMOVAL [09/2022 - 11/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR