Chery A1 2009 Service Manual page 239

6.
CHECK CMP SENSOR INPUT SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch on.
• Check voltage between CMP sensor terminal 2 and ground.
• 10 V should exist.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace the open circuit or short to power or short to ground in harness or connectors.
If circuit is normal, go to the next step.
7.
CHECK CMP SENSOR SIGNAL
• Connect CMP sensor electrical connector.
• Check signal voltage between CMP sensor terminal 2 and ground when engine is running.
• Approximately 6 V square wave signal should exist.
WITH ENGINE ANALYZER (KES-200)
Is the CMP output signal normal?
Yes >>
Go to step 10.
No >>
Go to the next step.
132
03–
DIAGNOSIS & TESTING
CKP SENSOR SIGNAL
CMP SENSOR SIGNAL
Chery Automobile Co., Ltd.