Suzuki 2006 SX4 Service Manual page 144

1A-100 Engine General Information and Diagnosis:
Step
5 Radiator cooling fan control circuit voltage check
1) Turn ignition switch to OFF position.
2) Remove radiator cooling fan relay No.1 (1), No.2 (2) or
No.3 (3).
3) Turn ignition switch ON position.
4) Check that radiator cooling fan relay (No.1, No.2 or
No.3) power supply voltage is battery voltage between
radiator cooling fan relay (No.1, No.2 or No.3) connector
and vehicle body ground.
Is it in good condition?
6 Radiator cooling fan relay check
1) Check radiator cooling fan relay No.1, No.2 or No.3 for
operation referring to "Radiator Cooling Fan Relay
Inspection in Section 1F".
Is it in good condition?
Action
3 2
1
I7RW01110066-01
Yes
Go to Step 6.
Repair or replace
control circuit of radiator
cooling fan relay (No.1,
No.2 or No.3). If circuit
is OK, substitute a
known-good ECM and
recheck.
No
Repair or replace power
supply circuit of radiator
cooling fan relay (No.1,
No.2 or No.3).
Replace radiator cooling
fan relay No.1, No.2 or
No.3.