Resistance Check - Suzuki Swift User Manual

6-38 ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10)
2
TERMINALS
C01-8 to C03-20
C02-19 to C03-20
C02-12 to C02-2/15
C02-7 to C02-2/15
C02-21 to C03-20
C02-16 to C02-2/15
C02-25 to C02-2/15
C02-8 to Body ground
C02-9 to Body ground
C02-20 to C02-2/15
C02-22 to C02-14
C02-1 to Body ground
C02-13 to Body ground
C02-26 to Body ground

RESISTANCE CHECK

1) Disconnect ECM (PCM) couplers from ECM (PCM) with ignition
2) Check resistance between each terminal of couplers discon-
1
1. ECM (PCM)
coupler disconnected
2. Ohmmeter
H02S-1 heater
H02S-2 heater
Fuel injector
EVAP canister purge valve
Fuel pump relay
ISC actuator relay
EFE heater relay
Shift solenoid-B
Shift solenoid-A
Radiator fan control relay
Main relay
Ground
Ground
Ground
switch OFF.
CAUTION:
Never touch terminals of ECM (PCM) itself or connect
voltmeter or ohmmeter.
nected.
CAUTION:
D Be sure to connect ohmmeter probe from wire harness
side of coupler.
D Be sure to turn OFF ignition switch for this check.
D Resistance in table below represents that when parts
temperature is 20_C (68_F).
CIRCUIT STANDARD RESISTANCE
11.7 – 14.3 Ω
11.7 – 14.3 Ω
2.4 – 3.6 Ω
30 – 34 Ω
100 – 120 Ω
100 – 120 Ω
100 – 120 Ω
8 – 20 Ω
8 – 20 Ω
100 – 120 Ω
100 – 120 Ω
Continuity
Continuity
Continuity