Suzuki WagonR+ RB310, Руководство по обслуживанию

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Radiator cooling fan relay
To
ECM
Main
relay
Relay
box
“ RDTR ”
(Radiator fan)
Radiator cooling
Fan motor
Bl / R
“ Fl ”
E22-18
ENGINE DIAGNOSIS 6-113
TABLE B-7 RADIATOR COOLING 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 97.5
"
C, 208
"
F or
higher and A/C switch turn OFF. (If engine coolant temp.
does not rise, check engine cooling system or ECT sensor.)
See Fig. 1.
Is radiator cooling fan started when engine coolant temp.
reached above temp.?
Radiator cooling
fan control
system is in good
condition. Go to Step 2.
2 Check Radiator Cooling 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 Cooling Fan Relay.
1) Turn ignition switch OFF and remove radiator cooling fan
relay.
2) Check for proper connection to relay at terminals “ c ” and “ d ” .
3) If OK, check that there is continuity between “ c ” and “ d ” when
battery is connected to terminals “ a ” and “ b ” . See Fig. 2.
Is check result satisfactory?
Go to Step 4. Replace radiator
fan relay.
4 Check Radiator Cooling Fan.
1) Turn ignition switch OFF.
2) Disconnect cooling fan motor connector.
3) Check for proper connection to motor at
“ Bl/R ” and “ B ”
terminals.
4) If OK, connect battery to motor and check for operation.
See Fig. 3.
Is it in good condition?
“ Bl/Y ” , “ Bl/R ” or
“ B ” circuit open.
Replace radiator
cooling fan
motor.