P3237

DTC P3237-769 Short to GND in Battery Thermometer Sensor Connection
DTC P3238-770 Open or Short to B+ in Battery Thermometer Sensor Connection

DESCRIPTION

DTC Detection Condition:

The battery thermometer sensor detects the battery temperature. With this signal, the HV control ECU reduces the charge current when the battery temperature is high to protect the battery.

Wiring Diagram:

Step 1-2:

INSPECTION PROCEDURE

HINT: Use the intelligent tester to read the freeze frame data and information. Part of the engine running conditions at the time of the malfunction is recorded as freeze frame data and information. This information is useful when troubleshooting the malfunction. (Engine speed, engine load, engine coolant temperature, engine output demand value, ambient temperature, auxiliary battery voltage, intake air temperature, elapsed time after turning the ignition switch on, and other information)