Suzuki Liana RH418 Supplementary Service Manual page 100

1A-87 Engine General Information and Diagnosis:
Step
2 Check fuel pump for operation
1) Remove fuel pump relay from relay box with ignition
switch turned OFF.
2) Check for proper connection to fuel pump relay at each
terminals.
3) If it is OK, using service wire (1), connect terminals
"BLK/RED" wire and "PNK" wire of relay connector.
Is fuel pump heard to operate at ignition switch ON?
3 Check fuel pump relay for operation
1) Check resistance between each two terminals of fuel
pump relay.
Fuel pump relay resistance
Between terminals "c" and "d": Infinity
Between terminals "a" and "b": 56 – 146 Ω
2) Check that there is continuity between terminals "c" and
"d" when battery is connected to terminals "a" and "b".
Is fuel pump relay in good condition?
Action
I2RH0B110080-01
I2RH0B110081-01
Yes
Go to Step 3.
"BRN" circuit open or
poor "C41-24"
connection.
If wire and connection
are OK, substitute a
known-good ECM and
recheck.
No
"PNK", "BLK" or "BLK/
RED" circuit open or
fuel pump malfunction.
Replace fuel pump
relay.