Suzuki Engine 2002 GRAND VITARA SQ625, Руководство по обслуживанию

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ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE) 6-1-53
RESISTANCE CHECK
1) Disconnect ECM couplers (1) from ECM with ignition switch
OFF.
2) Check resistance between each pair of terminals of discon-
nected couplers as listed in following table.
CAUTION:
Never touch terminals of ECM itself or connect voltmeter
or ohmmeter (2).
CAUTION:
• Be sure to connect ohmmeter probe from wire harness
side of coupler.
• Be sure to turn OFF ignition switch for this check.
• Resistance in table represents that when parts temper-
ature is 20°C (68°F).
TERMINAL CIRCUIT
STANDARD
RESISTANCE
CONDITION
E61-1 (without immobi-
lizer control system)/E61-
20 (with immobilizer con-
trol system) – C51-2-3
Fuel pump relay 160 – 240
Ω
–
E61-5 – C51-2-3
A/C condenser fan motor relay (if
equipped)
75 – 110
Ω
Battery disconnected
and ignition switch ON.
E61-8 – E61-35 Main relay 160 – 240
Ω
–
E61-12 – Body ground Fuel level sensor
117.5 – 122.5
Ω
Fuel level is Empty.
1.5 – 4.5
Ω
Fuel level is Full.
C51-3-2 – C51-3-3 CKP sensor (if equipped) 485 – 655
Ω
–
C51-3-8 – C51-3-21 IAT sensor 2.09 – 2.81 k
Ω
–
C51-3-22 – C51-3-21 ECT sensor 303 – 326
Ω
Engine coolant temp. :
80°C (176°F)
C51-1-1 – Body ground Shift solenoid-B
11 – 15
Ω
– C51-1-2 – Body ground TCC solenoid
C51-1-6 – Body ground Shift solenoid-A
C51-1-8 – C51-1-16 A/T input speed sensor 560 – 680
Ω
–
C51-1-9 – C51-1-10 A/T output speed sensor 369 – 451
Ω
–
C51-2-1 – C51-2-20 EVAP canister purge valve 28 – 36
Ω
–
C51-2-5 – C51-2-20
EGR valve (stepper motor coil 1) (if
equipped)
20 – 24
Ω
–
C51-2-4 – C51-2-20
EGR valve (stepper motor coil 2) (if
equipped)
C51-2-17 – C51-2-20
EGR valve (stepper motor coil 3) (if
equipped)
C51-2-16 – C51-2-20
EGR valve (stepper motor coil 4) (if
equipped)