Suzuki 2006 SX4, Service Manual

Page: 191 / 1478

Engine General Information and Diagnosis: 1A-147
Resistance Check
1) Remove ECM from its bracket referring to “Engine Control Module (ECM) Removal and Installation in Section 1C”.
CAUTION
!
Never touch terminals of ECM itself or connect voltmeter or ohmmeter (2).
2) Connect special tool to ECM connectors (1) securely.
NOTE
Do not connect the other connector of special tool to ECM.
Special tool
(A): 09933–06320
3) Check resistance between each pair of terminals of special tool connectors (2) as listed in the following table.
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 the following table represents that measured when parts temperature is 20
°
C (68
°
F).
1
(A)
2
3
I7RW01110032-02
Terminals Circuit Standard resistance Condition
E01-60 to E01-29 Main relay 160 – 240
Ω
Battery disconnected
and ignition switch
turned ON
E01-15 to E01-29 Fuel pump relay 160 – 240
Ω
—
C01-16 to E01-1/16 No.3 fuel injector
10.8 – 18.2
Ω
—
C01-17 to E01-1/16 No.4 fuel injector
C01-13 to E01-1/16 EVAP canister purge valve
22 – 26
Ω
—
C01-2 to E01-1/16 No.2 fuel injector 10.8 – 18.2
Ω
—
C01-1 to E01-1/16 No.1 fuel injector 10.8 – 18.2
Ω
—
E01-50 to E01-1/16 Throttle actuator control relay 160 – 240
Ω
—