Suzuki GRAND VITARA Owner's Manual page 183

DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Crank engine for 3 – 5 sec.
4) Check DTC and pending DTC.
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions For DTC Troubleshooting: ".
Step
1 Was "Engine and Emission Control System Check"
performed?
2 CKP sensor and connector for proper installation check
Is CKP sensor installed properly and connector connected
securely?
3 Wire harness and connection check
1) Disconnect connector from CKP sensor with ignition
switch turned OFF.
2) Check for proper connection to CKP sensor at "BLU/
BLK", "WHT/BLU" and "BLK/YEL" wire terminals.
3) If OK, turn ON ignition switch and check voltage at "BLU/
BLK", "WHT/BLU" and "BLK/YEL" wire terminals of
disconnected CKP sensor connector.
CKP sensor voltage
Terminal "B+": 10 – 14 V
Terminal "Vout": 4 – 5 V
Terminal "GND": 0 V
Is check result satisfactory?
4 Was terminal "Vout" voltage in Step 3 within specification?
Action
I2RH0B110048-01
Engine General Information and Diagnosis:
Yes
Go to Step 2.
Go to Step 3.
Go to Step 7.
Go to Step 5.
1A-128
No
Go to "Engine and
Emission Control
System Check: ".
Correct.
Go to Step 4.
"WHT/BLU" wire is open
or shorted to ground /
power supply circuit.
If wire and connection
are OK, substitute a
known-good ECM and
recheck.