Yes
Step 8
Replace ECM.
(a)
Carry out crankshaft self learn after ECM replacement. Refer
to
Crankshaft Position Sensor (CKP) Learn
Next
Step 9
Use scan tool to confirm whether the DTC code is stored again.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Clear DTC code.
(d)
Start and run the engine at idle speed to warm up the engine
for at least 5 min.
(e)
Road test the vehicle for at least 10 min.
(f)
Read control system DTC code again to confirm that the
system has no DTC code.
No
Intermittent Fault. Refer to
Yes
Step 10
Diagnostic completed.
2.12.7.44 DTC P0571
1. DTC Descriptor:
DTC
P0571
Brake Lamp Switch Status No Change During Braking
Disconnect the brake light switch signal. the vehicle braking, system enters the diagnostic window. After multiple braking, DTC code
appears. Engine running smooth, the vehicle can be driven.
2. Conditions For Setting DTC and The Fault Location:
DTC Code
DTC Detection Strategy
Conditions For Setting The DTC (Control
Strategy)
Fault Locations
P0571
ECM receives the brake light
switch signal.
1. Brake Light Switch Signal Disconnected.
2. Vehicle braking, system enters the
diagnostic window.
3. DTC codes appear after repeatedly braking.
1. Brake Light Switch Circuit
2. Brake Lights Switch
3. ECM
2-758
Control System JL4G15-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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