Suzuki Grand Vitara XL-7 Service Manual page 137

TABLE B-1 FUEL PUMP CIRCUIT INSPECTION
WIRING DIAGRAM
INSPECTION
STEP
1 Fuel Pump Operation Check:
1) Turn ON ignition switch.
Is fuel pump operation sound heard for 5 sec. after
ignition switch ON?
2 Fuel Pump Circuit Check:
1) With ignition switch OFF, remove double relay from
connector.
2) Check for proper connection to relay at each terminal.
3) If OK, using service wire, connect terminals 8 and 5 of
relay connector.
CAUTION: Check to make sure that connec-
tion is made between correct terminals.
Wrong connection can cause damage to
ECM, wire harness etc.
Is fuel pump heard to operate at ignition switch ON?
3 Double Relay Check:
1) Check fuel pump relay referring to "Double Relay
Inspection" in Section 6E3.
Is it in good condition?
ENGINE DIAGNOSIS (RHZ ENGINE WITH SINGLE-CONNECTOR ECM) 6-77
ACTION
1. Double relay
2. ECM
3. Fuel pump
4. "FUEL PUMP" fuse (15 A)
5. Double relay fuse (30 A)
6. To radiator fan relay No.3
YES
Fuel pump circuit is Go to Step 2.
in good condition.
Go to Step 3. "BLK", "PNK/BLK"
or "BRN/RED"
circuit open or fuel
pump malfunction.
"GRN /ORN" circuit Replace fuel pump.
open.
NO