3.1.13-38
CS35 2013.04
3.1.13-38Electronic Control System - ME7
Normal Start, Unstable Idling or Flameout With Partial Load (Such
as Open the A/C) Diagnosis
Test Conditions Details/Results/Actions
1. Inspect the trouble code
A. Connect the diagnostic tool
B. Turn the ignition switch to position "ON", diagnose
the engine system.
Is there any DTC?
Y
Go to trouble code diagnosis procedure.
Refer to: DTC Diagnostic Procedure Index
(3.1.13 Electrical Control System-ME7,D
TC Diagnosis and Testing).
N
Go to step 2.
2. Inspect the throttle
A. Turn the ignition switch to position "LOCK".
B. Inspect the throttle for stuck.
C. Inspect the throttle for carbon deposition.
Is the throttle normal?
Y
Go to step 3.
N
Clean or replace the throttle.
3. Inspect if the engine output power increased when A/C on
A. Turn the ignition switch to "LOCK" position.
B. Connect the diagnostic tool.
C. Start the engine, access to the engine data stream
menu, select the spark advance angle, fuel injection
pulse width and the intake pressure sensor
parameters.
D. Open the air - conditioning, observe the change of
data stream parameters.
Does the data stream change?
Y
Go to step 4.
N
Inspect the A/C system.
Refer to: Insufficient Cooling Diagnosis (
4.1.1 Heating, Ventilation and Air Condi-
tioning, Symptom Diagnosis and Testing).
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