DTC P0597-12: Thermostat Heater Control Circuit Short to Battery [06/2018 - 03/2019]: Procedure
WARNING: This page is about a different variant/trim than selected.
- 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 Z5-2 or C76-7 (HTHM) - other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [06/2018 - 01/2019] , or refer to REMOVAL [01/2019 - 03/2019]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR