DTC B2271: Ignition Hold Monitor Malfunction: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK DTC OUTPUT
- Delete the DTCs, refer to DTC CHECK / CLEAR
.
HINT:
After all DTCs are cleared, check if the trouble occurs again 6 seconds after the engine switch is turned on (IG).
- Check for DTCs again.
OK
No DTC is output.
NG → See step 2
OK → See step 3
- Delete the DTCs, refer to DTC CHECK / CLEAR
.
- CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) - BATTERY)
- Disconnect the D7 and D8 ECU connectors.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
Tester Connection Condition Specified Condition D8-6 (AM1) - Body ground Always 11 to 14 V D7-1 (AM2) - Body ground Always 11 to 14 V
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR, OR FUSE
OK → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
- USE SYMPTOM METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING