Suzuki GA413 Service Manual page 461

TABLE B-8 RADIATOR FAN CONTROL SYSTEM CIRCUIT CHECK
WIRING DIAGRAM
INSPECTION
STEP
1 Did you perform "ENGINE DIAGNOSTIC FLOW
TABLE" in Section 6?
2 1) With ignition switch OFF position, install SUZU-
KI scan tool.
2) Start engine and run it at idle.
3) Observe engine coolant temperature on scan
tool.
Does cooling fan turn ON when engine coolant
temperature reaches above 905C (1945F)?
3 Does cooling fan turn OFF when engine coolant
temperature drops below 855C (1855F)?
4 1) Stop engine.
2) With ignition switch OFF position, disconnect
radiator fan relay.
3) Inspect radiator fan relay. Refer to "Main Relay/
Fuel Pump Relay/Radiator Fan Relay Inspec-
tion" in this section.
Is radiator fan relay functioning normally?
ACTION
ENGINE AND EMISSION CONTROL SYSTEM 6E-51
YES
Go to Step 2.
Go to Step 3.
Radiator fan control sys-
tem is functioning nor-
mally.
Go to Step 5.
1. Radiator fan motor
2. Radiator fan relay
3. Radiator fan relay connector
4. Power supply from main fuse box
5. Power supply from main relay
6. ECM connector (A)
7. ECM connector (B)
8. ECM
NO
Go to "ENGINE DIAG-
NOSTIC FLOW TABLE".
Go to Step4.
Go to Step4.
Faulty radiator fan relay.