PRE-RELEASE
060
Symptom: Parking heater fails to start.
| 060 |
Coolant temperature sensor 1. Open circuit/Short circuit to B+.
Fault symptom
Parking heater fails to start.Condition
Parking heater activated.Diagnostic help
Parking heater can be activated with Tech 2.Parking heater function can be programmed in SID.
Eberspächer diagnostics instrument used for diagnosis.
Diagnostic procedure
1. Check Coolant temperature sensor 1
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Lower the heater to gain access to the control module.
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Remove the parking heater control module.
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Unplug connector B2.
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Take a resistance reading across pins 11 and 12 in female connector B2.
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Value should be less than 2 Mohms.
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Test results OK?
| YES |
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Inspect the connector for corrosion.
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Go to point 2.
| NO |
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Change engine coolant temperature sensors 1 and 2.
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Go to point 2.
2. Final check
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Delete DTCs in all systems.
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Contact: SID.
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Activate parking heater (ON).
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Perform a functionality check.
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Evaluate the functionality check.
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Check that the diagnostic trouble code has not recurred.
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Test results OK?
| YES |
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Fault rectified successfully.
| NO |
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See ’Procedure for replacement of control module’.
