DTC B2271: Ignition Hold Monitor Malfunction [04/2018 - ]: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- Measure the voltage according to the value(s) in the table below.
*a Component with harness connected
(Certification ECU (Smart Key ECU Assembly))Standard Voltage
Tester Connection Condition Specified Condition G40-17 (IG1D) - Body ground Power switch on (ACC) → Power switch on (IG) 1 V or less → 9 V or higher Result
Proceed to OK NG
Result:
OK
END (TEMPORARY CONNECTION FAILURE IS SUSPECTED). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ]
Result:
NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [04/2018 - 08/2021] , or refer to REMOVAL [08/2021 - ]
- Measure the voltage according to the value(s) in the table below.