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DTC › WTA1 WTA1 / 0103

Water temperature

â–¶ How to fix

Check the water temperature sensor. Measurement points 14 and 18 in the auxiliary heater control unit connector. 650 kOhm at -25 °C. 1000 kOhm at +25 °C Check the overheating sensor. Measuring points 11 and 17 in the connector for the auxiliary heater control unit150 kOhm at -25 °C 10 kOhm at +25 °C

What you'll see

No driver-visible symptom recorded.

System reaction

No system-reaction text recorded.

Diagnostic depth

Detection

The water temperature rises too quickly.

Possible cause

The difference in temperature between the water temperature sensor and overheat sensor is too big.

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