Suzuki Liana RH413, Service Manual

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1A-91 Engine General Information and Diagnosis:
DTC Troubleshooting
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed? Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2 Check wire circuit
1) Disconnect radiator fan control relay No.1 (1) from relay
box with ignition switch turned OFF.
2) Turn ON ignition switch, measure voltage between each
engine ground to “BLK/WHT” and “BLU/WHT” wire
terminal.
2. Radiator fan relay No. 2
3. Radiator fan relay No. 3
Is voltage 10 – 14 V?
Go to Step 3. “BLK/WHT” and/or
“BLU/WHT” wire open
circuit.
3 Check wire circuit
1) Connect radiator fan control relay No.1 to relay box with
ignition switch turned OFF.
2) Turn ON ignition switch, measure voltage between
vehicle body ground and “G04-18” terminal wire.
Is voltage 10 – 14 V?
Go to Step 7. Go to Step 4.
4 Check wire circuit
1) Disconnect connector from ECM with ignition switch
turned OFF.
2) Disconnect radiator fan control relay No.1 from relay
box.
3) Measure resistance between “G04-18” terminal wire and
vehicle ground.
Is resistance infinity?
Go to Step 5. “BRN” wire shorted to
ground circuit.
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I2RH01110116-01
I2RH0B110063-01