Code No. B1114 Electric water heater outlet water temperature sensor (open circuit)




DIAGNOSIS CODE SET CONDITIONS


This code is stored when the input from the outlet water temperature sensor of the electric heater is in a range from 4.922 to 5.000 V for 3 seconds.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III data list


Check that the following service data display contents are normal.

  • Item 11: Electric water heater outlet water temperature sensor

Q. Is the check result normal?

Intermittent malfunction. Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points, - How to Cope with Intermittent Malfunctions .)
Go to Step 2.

STEP 2. Check the electric heater (outlet water temperature sensor).


Refer to .

Q. Is the check result normal?

Go to Step 3.
Replace the electric heater.

STEP 3. Check of open circuit in WTSO, SENG line between electric heater connector and heater controller assembly (A/C-ECU) connector.


Q. Is the check result normal?

Go to Step 4.
Repair the connector(s) or wiring harness.

STEP 4. Check whether the diagnosis code is stored again.


Q. Is the diagnosis code stored?

Replace the electric heater.
Intermittent malfunction. (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points, How to Cope with Intermittent Malfunctions .)