Safety time
â–¶ How to fix
Check the fuel supply and fuel metering pump. Check the flame monitor. Measuring points 15 and 16 in the connector for the auxiliary heater control unit. Resistance value: 650 kOhm at -25 °C 1100 kOhm at +25 °C. Check the control unit. Check that the exhaust pipe is not blocked. Check the glow plug. Measurement points 2 and 7 in the auxiliary heater control unit connector. Resistance value: 2 Ohms.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The safety time for starting attempts has been exceeded.
Possible cause
The flame monitor does not detect any flame when attempting to start.