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Home >> Volvo >> 2003 >> C70 2.3 53, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Climate Units - Symptom Related Diagnostic Procedures (Coupe)) >> Checking The Timer And Heater (1999-2002) >> Checking the Timer And Heater >> Checking the Function Of the Heater

Checking the Function Of the Heater

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Connecting Connector
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Combustion Unit
GLL124895Courtesy of VOLVO CARS OF NORTH AMERICA.

The following alternatives are available:

  1. The glow plug does not heat up. Refer to Replacing the Component .
  2. The glow plug heats up but the heater does not start. Refer to Cleaning .
  3. The glow plug heats up and the heater starts. Refer to Verify .
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