Suzuki Grand Vitara 2011 Manual page 428

1A-359 Engine General Information and Diagnosis: For Diesel Engine Model
Table 1: No dialogue with the ECM
Troubleshooting
Try the scan tool on another vehicle.
Check the ECM earth point.
Check:
• Check the connection between the scan tool and the data link connector
• Check the main and circuit fuses
Check the voltage (12 volts) between the following terminals (ignition switch turned ON):
• Between "G20-16" wire and "G20-4" wire of data link connector
• Between "G20-16" wire and "G20-5" wire of data link connector
Repair if necessary.
Check the insulation, continuity and absence of interference resistance of the connections:
• Between "C86-41" terminal of ECM connector and "E33-8" wire of main relay mounting connector (relay
control)
• Between "C86-3" terminal of ECM connector and "E33-6" wire of main relay mounting connector
• Between "E66-2" terminal of ECM connector and "E33-6" wire of main relay mounting connector
• Between "E66-11" terminal of ECM connector and "E82-23" wire of BCM connector
• Between "E66-1" terminal of ECM connector and vehicle body ground
• Between "E66-7" terminal of ECM connector and vehicle body ground
• Between "E66-8" terminal of ECM connector and vehicle body ground
• Between "E66-31" terminal of ECM connector and "G20-7" wire of data link connector (K-line)
Repair if necessary.
Table 2: The Engine Does Not Start
Troubleshooting
Step
1 Check that the fuel tank is correctly filled and that the fuel
type is suitable.
Is the fuel type suitable and the tank correctly filled?
2 Is the starter motor working properly?
3 Is the immobilizer system working properly?
Action Yes
Go to Step 2.
Go to Step 3.
Go to Table 3 referring
to "Table 3: The Engine
Starts with Difficulty: For
Diesel Engine Model".
S6JB0A1124154
S6JB0A1124155
No
Refill the fuel tank
correctly. Bleed the low
and high pressure
diesel circuit.
Carry out the required
repairs.
Carry out the required
repairs.