Changan CS35 - Page 176

3.1.13-160
CS35 2013.04
3.1.13-160Electronic Control System - ME7
3. Inspect the data stream
A. Connect the diagnostic tool.
B. Start engine, access to diagnostic tool engine
system data stream.
C. Inspect the fuel long - term, short - term modified
value, long - term correction factor, additional
correction factor data stream.
Does the modified value exceed the normal range?
Y
Go to step 4.
Refer to: DTC Diagnostic Procedure Index
(3.1.13 Electronic Control System - ME7,
DTC Diagnosis and Testing).
N
Intermittent fault.
Refer to: Intermittent Fault Inspection
(3.1.13 Electronic Control System - ME7,
Symptom Diagnosis and Testing).
4. Inspect the pre - catalytic oxygen sensor data stream
A. Start the engine, keep the engine running till the
engine water temperature is higher than 80 ℃ .
B. Use a diagnostic tool access to engine data stream,
observe the "pre - catalytic oxygen sensor voltage"
data stream.
Standard Voltage Value: oxygen sensor signal
0.1 ~ 0.9 V
C. Test complete, turn the ignition switch to position
"LOCK".
Is the oxygen sensor fluctuating between 0.1 ~ 0.9
V?
Y
Go to step 6.
N
Go to step 5.
Test Conditions Details/Results/Actions
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