Mercedes-Benz Sprinter 2003 Manual page 161

CIRC PUMP CONTROL SHORTED LOW (ACTIVE) —
TEST
4 Turn the ignition off.
Disconnect the Circulation Pump harness connector.
Connect a fused jumper wire between the Battery (+) and Circulation Pump cavity 2.
Connect a jumper wire between ground and Circulation Pump cavity 1.
Does the Circulation Pump run?
Yes → Replace the Automatic Temperature Control (ATC) in accordance
→ Replace the Circulation Pump in accordance with the Service
No
ACTION
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
153
HEATING & A/C
Continued
APPLICABILITY
All