Suzuki Wagon R Manual page 1128

6-1-36 GENERAL INFORMATION AND ENGINE DIAGNOSIS
2
TERMINALS
E23-8 to E22-20
E21-19 to E22-20
E21-12 to E21-2/15
E21-7 to E21-2/15
E21-21 to E22-20
E21-16 to E21-2/15
E21-25 to E21-2/15
E21-20 to E21-2/15
E21-22 to E21-14
E21-1 to Body ground
E21-13 to Body ground
E21-26 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
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
100 – 120 Ω
100 – 120 Ω
Continuity
Continuity
Continuity