Dtc P0480 Radiator Cooling Fan Control System Malfunction - Suzuki Swift User Manual

DTC P0480 RADIATOR COOLING FAN CONTROL SYSTEM MALFUNCTION

CIRCUIT DESCRIPTION
Relay
box
"RDTR"
(Radiator fan)
DTC DETECTING CONDITION
D Low voltage at terminal C02-18 when engine coolant
temp. is 92_C, 197_F below.
: 2 driving cycle detection logic, continuous monitoring.
DTC CONFIRMATION PROCEDURE
1) Turn ignition switch OFF.
2) Clear DTC with ignition switch ON.
3) Warm up engine until radiator cooling fan starts to operate.
4) Check pending DTC in "ON BOARD TEST" or "PENDING DTC" mode and DTC in "DTC" mode.
ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13) 6-1-85
Radiator cooling fan relay
To
ECM
Main
relay
D "B/W" or "P/G" circuit open or short
D Radiator cooling fan relay malfunction
D ECM (PCM) malfunction
Radiator cooling
Fan motor
POSSIBLE CAUSE