Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 279

6-1-138 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE)
Table B-1 Fuel Pump Circuit Check
WIRING DIAGRAM
[A] : Terminal arrangement of ECM (PCM) coupler viewed from harness side
[B] : Vehicle without immobilizer control system
[C] : Vehicle with immobilizer control system
CIRCUIT DESCRIPTION
Fuel pump relay is turned ON
• for 3 sec. after ignition switch is turned ON
• while start engine signal is inputted.
• while engine is running.
1. Fuel pump
2. Fuel pump relay
3. Main relay