Geely EC718 2009 Workshop Manual page 840

2-758 Control System JL4G15-D
Yes
Replace ECM.
Step 8
Next
Use scan tool to confirm whether the DTC code is stored again.
Step 9
Yes
Step 10 Diagnostic completed.
2.12.7.44 DTC P0571
1. DTC Descriptor:
DTC
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
ECM receives the brake light
P0571
switch signal.
EC718/EC718RV EC715/EC715RV 10/2009
P0571 Brake Lamp Switch Status No Change During Braking
Conditions For Setting The DTC (Control
1. Brake Light Switch Signal Disconnected.
2. Vehicle braking, system enters the
diagnostic window.
3. DTC codes appear after repeatedly braking.
(a) Carry out crankshaft self learn after ECM replacement. Refer
to 2.12.7.11 Crankshaft Position Sensor (CKP)
(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.
Intermittent Fault. Refer to
No
Fault
Strategy)
2.2.7.3 Intermittent
Check.
Fault Locations
1. Brake Light Switch Circuit
2. Brake Lights Switch
3. ECM
Engine
Learn.