Chery automobile Service Manual page 156

Diagnostic trouble code: P0481 "Malfunction in control circuit of relay of A/C
condenser fan B"
Item
Operation procedure
No.
Connect the diagnostic tester and adaptor,
1 and turn the ignition switch to "OFF"
position.
Pull out the relay of A/C condenser fan,
turn the ignition switch to "ON" position
and verify that the voltage between the
2
power supply terminal of the relay (i.e.
30# and 85# pins of the relay) and the
negative grid of power supply is about
12V.
Verify that the power supply circuit of the
3 relay of A/C condenser fan is open or short
to ground.
Inspect with multimeter to verify that the
voltage between the control terminal of
4 relay of A/C condenser fan (i.e. 86# pin of
the relay) and the negative grid of power
supply is about 3.7V.
Verify that the circuit between the control
terminal of relay (i.e. 86# pin of the relay)
5
and 68# pin of ECU is open or is short to
power supply or to ground.
Inspection
results
Yes
No
Yes
No
Yes
No
Yes
No
G-47
Follow-up
procedure
Proceed to next
step.
Proceed to Step 4
Proceed to next
step.
Repair or replace
the wiring harness.
Proceed to Step 2
Replace the relay.
Proceed to next
step.
Repair or replace
the wiring harness.
Refer to diagnosis
help.