DTC S1.3


id070200810700

DTC S1.3

Water temperature sensor

POSSIBLE CAUSE
•  Water temperature sensor malfunction
•  Climate control unit malfunction
•  Open or short circuit between water temperature sensor and climate control unit

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
•  Disconnect the climate control unit connector.
•  Is resistance between terminals AB and AD of climate control unit connector as indicated below?
―  8 kilohms—20 kilohms
Yes
Replace climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION.)
No
Go to the next step.
2
•  Disconnect the water temperature sensor connector.
•  Is resistance between terminals A and B of water temperature sensor connector as indicated below?
―  8 kilohms—20 kilohms
Yes
Repair wiring harness.
No
Replace water temperature sensor. (See WATER TEMPERATURE SENSOR REMOVAL/INSTALLATION.)