Suzuki Grand Vitara 2011 Manual page 398

1A-329 Engine General Information and Diagnosis: For Diesel Engine Model
Detecting Condition
Displaying on SUZUKI scan tool
D1
D2
D3
D4
D5
D6
D7
D8
D10
D11
D12
D13
D14
Troubleshooting for D1: Permanent high level, D8: Signal outside upper limit, D10: Fuel injector control, D12:
Injection fault under deceleration and D13: Initialisation error
NOTE
• Check the ECM connections and the continuity of all its supplies.
Repair if necessary.
• Clear the faults.
• Turn OFF ignition switch, wait 10 seconds and turn ON ignition switch again.
If the fault is still present, substitute a known-good ECM and recheck.
Troubleshooting for D11: Fuel injector control condenser fault
NOTE
If there are a number of faults, deal with the other system faults first.
Step
1 Is there DTC P0606: ECM / PCM Processor Malfunction of
10.DEF: Fuel injector control?
2 Check the battery voltage using "Battery Voltage" on Data
list of SUZUKI scan tool.
Is battery voltage more than 10V?
3 Check the condition of the wiring harness between the
computer and the battery, carry out the necessary repairs.
• Start the vehicle.
• Clear the stored faults.
• Check the faults.
Is there DTC P0606: ECM / PCM Processor Malfunction?
Permanent high level
Permanent low signal
Configuration absent or incorrect
Analogue/digital converter fault
Communication disrupted
EEPROM fault
Watchdog Activation
Signal outside upper limit
Fuel injector control
Fuel injector control condenser fault
Injection fault under deceleration
Initialisation error
Open circuit or internal electronic fault
Action
Detecting condition
Yes
Go to Step 2.
Go to Step 3.
Substitute a known-
good ECM and recheck.
No
Substitute a known-
good ECM and recheck.
Check the charge circuit
and carry out the
necessary repairs:
Check the condition of
the battery terminals.
Carry out fault finding
on the alternator.
Recharge or replace the
battery.
End of fault finding.