DTC B228B-00: Battery Circuit or Ground Circuit Energization Malfunction [11/2021 - ]: Procedure
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- CHECK HARNESS AND CONNECTOR (POWER SOURCE)
Pre-procedure1
- Disconnect the D58 certification ECU (smart key ECU assembly) connector.
Procedure1
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition D58-6 (+B) - Body ground Always 11 to 14 V Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR IN CIRCUIT CONNECTED TO POWER SOURCE
Result:
OK
See step 2
- Disconnect the D58 certification ECU (smart key ECU assembly) connector.
- CHECK HARNESS AND CONNECTOR (GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition D58-29 (E) - Body ground Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
END (TEMPORARY CONNECTION FAILURE IS SUSPECTED). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR IN CIRCUIT CONNECTED TO POWER SOURCE
- Measure the resistance according to the value(s) in the table below.