Suzuki GA413, Service Manual

Page: 876 / 1246

6-100 ENGINE GENERAL INFORMATION AND DIAGNOSIS
GA413
supple
TABLE B-7 RADIATOR FAN CONTROL SYSTEM CHECK
INSPECTION
STEP ACTION YES NO
1 Check Fan Control System.
1) Connect scan tool to DLC with ignition switch OFF.
2) Start engine and select “DATA LIST” mode on scan tool.
3) Warm up engine until coolant temp. is 90
C, 194 F or higher
and A/C switch turn OFF. (If engine coolant temp. does not
rise, check engine cooling system or ECT sensor.)
Is radiator fan started when engine coolant temp.reached above
temp.?
Radiator fan con-
trol system is in
good condition. Go to Step 2.
2 Check radiator Fan Relay and Its Circuit.
1) Check DTC and pending DTC with scan tool.
Is DTC P0480 displayed? Go to DTC
P0480 Diag.
Flow Table. Go to Step 3.
3 Check radiator Fan Relay.
1) Turn ignition switch OFF and remove radiator fan relay.
2) Check for proper connection to relay at terminals “A” and “B”.
3) If OK, check that there is continuity between “A” and “B” when
battery is connected to terminals “C” and “D”. See Fig. 1.
Is check result satisfactory?
Go to Step 4. Replace radiator
fan relay.
4 Check Radiator Fan.
1) Turn ignition switch OFF.
2) Disconnect fan motor connector.
3) Check for proper connection to motor at “BLU/RED” and
“BLK” terminals.
4) If OK, connect battery to motor and check for operation.
See Fig. 2.
Is it in good condition?
“BLU/WHT”,
“BLU/RED” or
“BLK” circuit
open. Replace radiator
fan motor.