Suzuki Liana RH418, Supplementary Service Manual

Page: 74 / 371

1A-61 Engine General Information and Diagnosis:
DTC Troubleshooting
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed? Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2 Check CKP sensor and connector for proper installation
Is CKP sensor installed properly and connector connected
securely?
Go to Step 3. Correct.
3 Check wire harness and connection
1) Disconnect CKP sensor connector.
2) Then check for proper connection to CKP sensor at each
terminal.
3) If OK, turn ignition switch ON and check for voltage at
each terminal of sensor connector disconnected.
CKP sensor voltage
Terminal “B+”: 10 – 14 V
Terminal “Vout”: 4 – 5 V
Terminal “GND”: 0 – 1 V
Is check result satisfactory?
Go to Step 5. Go to Step 4.
4 Was terminal “Vout” voltage out of specification in Step 3
check? “YEL/BLK” wire open,
short or poor
connection.
If wire and connection
are OK, substitute a
known-good ECM and
recheck. “BLK/RED” or “BLK/
ORN” wire open, short
or poor connection.
5 Check ground circuit for open
1) Turn ignition switch OFF.
2) Check for continuity between “GND” terminal of CKP
sensor connector and engine ground.
Is continuity indicated?
Go to Step 6. “BLK/ORN” wire open or
poor ground connection.
I2RH0B110048-01