Chery Tiggo 2009 Service Manual page 792

7.
CHECK CMP SENSOR INPUT SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch on.
• Check voltage between CMP sensor terminal 2 and ground.
• 4.8 - 5.2 V should exist.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace harness for open or short to power or short to ground between CMP sensor connec-
tor terminal 2 and ECM connector E-054, terminal 72.
If the harness is normal, go to the next step.
8.
CHECK CMP SENSOR SIGNAL
• Connect ECM connector.
• Connect CMP sensor connector.
• Check signal voltage between CMP sensor terminal 2 and ground.
TERMINAL NO.
72
Is the check result normal?
Yes >>
Go to step 11.
No >>
Go to the next step.
9.
CHECK CMP 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 CMP sensor with a known good CMP sensor.
Monitor the CMP sensor signal on the KES-200 screen.
− If the CMP sensor signals were normal, the system is OK.
− If the CMP sensor signals were still irregular or missing, go to step 10.
No >>
Replace the CMP sensor.
508
03–
DIAGNOSIS & TESTING
ITEM
Camshaft Position (CMP)
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 - 3.0 V
0.5 - 2.0 V
(25°C)