DTC P0597-12: Thermostat Heater Control Circuit Short to Battery [06/2018 - 08/2020]: Procedure
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- CHECK HARNESS AND CONNECTOR (THERMOSTAT HEATER - ECM)
- Disconnect the water inlet with thermostat sub-assembly connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F5-2 (ETM-) or C88-7 (HTHM) - other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [06/2018 - 08/2020]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR