Chery Tiggo 2009 Service Manual page 786

8.
CHECK CKP SENSOR INPUT SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect ECM connector.
• Check harness continuity between ECM terminal 73 and CKP sensor terminal 2.
• Continuity should exist.
• Also check harness for short to power and short to ground.
Is the check result normal?
Yes >>
Replace the ECM.
No >>
Repair circuit for an open or short circuit in harness or connectors.
9.
CHECK CKP SENSOR SIGNAL
• Turn ignition switch off.
• Connect ECM connector.
• Connect CKP sensor connector.
• Check sensor signal output.
TERMINAL NO.
73
Is the check result normal?
Yes >>
Go to step 12.
No >>
Go to the next step.
10.
CHECK CKP SENSOR
• Check resistance as table shown:
− Remove the sensor.
− Visually check the sensor for chipping.
− Continuity should exist.
TERMINAL NO.
Is the check result normal?
Yes >>
Replace the CKP sensor with a known good CKP sensor.
Monitor the CKP sensor signal on the KES-200 screen.
− If the CKP sensor signals were normal, the system is OK.
− If the CKP sensor signals were still irregular or missing, go to step 11.
No >>
Replace CKP sensor.
502
03–
DIAGNOSIS & TESTING
ITEM
Crankshaft Position (CKP)
sensor
1 & 2
1 & 3
2 & 3
CONDITION
• Ignition switch: ON
• Engine: Not cranking
• Engine: Cranking
• Engine: Idle
RESISTANCE
Except 0 or
Chery Automobile Co., Ltd.
DATA (DC VOLTAGE)
4.8 - 5.2 V
0.4 - 4.0 V
1.5 - 2.5 V
(25°C)