Mercedes-Benz Sprinter 2003 Manual page 174

HEATING & A/C
RECIRC AIR SOLENOID CONTROL HIGH OR OPEN (ACTIVE) —
TEST
3 Turn the ignition off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Disconnect the Recirculated Air Solenoid Valve harness connector.
Measure the resistance of the Recirculated Air Solenoid Valve Control circuit
between the Automatic Temperature Control (ATC) C1 harness connector and the
Recirculated Air Solenoid Valve harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 4
→ Repair the Recirculated Air Solenoid Valve Control circuit for an
No
4 Turn the ignition off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Recirculated Air Solenoid Valve harness connector.
Measure the resistance between ground and the Ground circuit.
Is the resistance below 5.0 ohms?
Yes → Replace the Automatic Temperature Control (ATC) in accordance
→ Repair the Ground circuit for an open.
No
ACTION
open.
Perform BODY VERIFICATION TEST - VER 1.
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
166
Continued
APPLICABILITY
All
All