Suzuki GRAND VITARA XL-7 Owner's Manual page 278

Step
3 Fuel pump relay check :
1) Check fuel pump relay referring to "FUEL
PUMP RELAY INSPECTION" in Section
6E2.
Is it in good condition?
Fig. for Step 2
Table B-2 Fuel Injectors and Circuit Inspection
WIRING DIAGRAM
1. To ignition switch 4. Injector No.1
2. Main fuse 5. Injector No.2
3. Main relay 6. Injector No.3
ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-117
Action
1. Fuel pump relay connector
7. Injector No.4
8. Injector No.5
9. Injector No.6
Yes
"BLK/WHT" or "WHT/
GRN" circuit open or poor
E61-23 connection.
If wire and connection are
OK, substitute a known-
good ECM (PCM) and
recheck.
10. ECM (PCM)
No
Replace fuel pump relay.