Suzuki Liana RH418, Supplementary Service Manual

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Engine General Information and Diagnosis: 1A-42
Troubleshooting
Step Action Yes No
1 Fuse check
1) Check for fuse blow at “IG” fuse and “FI” fuse (1).
Are fuses in good condition?
Go to Step 2. Replace fuse and check
for short in circuits
connected to this fuse.
2 Main relay circuit check
1) Turn ignition switch to OFF position.
2) Remove main relay (2) from main fuse box.
3) Check for proper connection to main relay connector at
“BLK/YEL” and “BLK/RED” wire terminals.
4) If OK, measure voltage between “BLK/YEL” wire
terminals of main relay connector and body ground.
Is voltage 10 – 14 V?
Go to Step 3. Open wire in “BLK/YEL”
circuit.
3 Main relay check
1) Check for main relay referring to “Main Relay, Fuel
Pump Relay, A/C Compressor Relay and A/C
Condenser Fan Relay Inspection in Section 1C in
related manual”.
Is main relay in good condition?
Go to Step 4. Replace main relay.
4 Ignition signal check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Check for proper connection to ECM connector at “G04-
23”, “G04-10”, “G04-6”, “G04-5”, “C41-1”, “C41-2” and
“C41-3” wire terminals.
3) Turn ignition switch to ON position.
4) Measure voltage between “G04-23” wire terminal of
ECM connector and body ground.
Is voltage 10 – 14 V?
Go to Step 5. Open wire in “BLK/
WHT” or “GRN” circuit.
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