Suzuki Grand Vitara 2011 Manual page 138

1A-69 Engine General Information and Diagnosis: For Petrol Engine Model
1) Clear DTC. Refer to "DTC Clearance: For Petrol Engine Model".
2) Start engine and drive vehicle under usual driving condition for 5 minutes or longer until engine is warmed up to
normal operating temperature.
3) Stop vehicle.
4) Run engine at idle speed for 1 minute.
5) Start vehicle and increase vehicle speed up to 80 km/h (50 mile/h).
6) Keep vehicle speed at 80 km/h (50 mile/h) for 1 minute or longer at 5th gear position.
7) Decrease vehicle speed gradually.
8) Stop vehicle and turn OFF ignition switch.
9) Repeat Step 4) to 7) one time.
10) Stop vehicle.
11) Check DTC. Refer to "DTC Check: For Petrol Engine Model".
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions for DTC Troubleshooting: For Petrol Engine Model".
Step
1 Is DTC P0010 detected together?
2 Do you have SUZUKI scan tool?
3 Camshaft position control check
1) With ignition switch turned OFF, connect SUZUKI scan
tool.
2) Start engine and warm up to normal operating
temperature.
3) Select menu to DATA LIST.
4) Check that "VVT GAP" displayed on SUZUKI scan tool is
0 – 5°.
Is it OK?
4 Camshaft position control check
1) Drive vehicle under following conditions.
• Vehicle speed at 80 km/h (50 mile/h).
• Gear position at 5th.
2) Check that "VVT GAP" displayed on SUZUKI scan tool is
0 – 5°.
Is it OK?
5 Oil control circuit visual inspection
1) Remove cylinder head cover referring to "Cylinder Head
Cover Removal and Installation: For M16A Engine with
VVT in Section 1D".
2) Check oil pressure leakage from oil control circuit.
Is it in good condition?
Action Yes
Go to "DTC P0010:
Camshaft Position
Actuator Circuit (For
M16 Engine): For Petrol
Engine Model".
Go to Step 3.
Go to Step 4.
Substitute a known-
good ECM and recheck.
Go to Step 6.
No
Go to Step 2.
Go to Step 5.
Check valve timing
referring to "Timing
Chain and Chain
Tensioner Removal and
Installation: For M16A
Engine with VVT in
Section 1D". If OK, go to
Step 5.
Go to Step 5.
Repair or replace.