Geely EC718 2009 Workshop Manual page 847

Engine
No
Repair instrument cluster circuit.
Step 2
No
Check instrument DTC.
Step 3
No
Test fault indicator.
Step 4
No
Replace instrument cluster.
Step 5
No
Step 6 Check instrumentation and ECM network communication.
Control System JL4G15-D
Instrument Repair
(a) Repair instrument cluster power supply circuit. Refer to
11.7.6.7 DTC U129C
(b) Repair instrument cluster ground circuit. Refer to
11.7.6.7 DTC U129C
Is fault resolved?
System normal.
Yes
(a) Connect scan tool.
(b) Turn the ignition switch to "ON" position.
(c) Scan instrument DTC.
Is there DTC code?
Go to step 5
Yes
(a) Connect scan tool.
(b) Turn the ignition switch to "ON" position.
(c) Choose scan tool "Function Test" menu and then "Fault Light
Test".
Is fault indicator lit?
Go to step 6
Yes
(a) Turn off the ignition switch and remove the ignition key.
(b) Disconnect the battery negative cable.
(c) Replace instrument cluster. Refer to
Cluster Replacement.
Is fault solved?
System normal.
Yes
(a) Repair instrumentation and ECM network communication
malfunction. Refer to
Diagnosis.
EC718/EC718RV EC715/EC715RV 10/2009
U129D.
U129D.
11.7.7.1 Instrument
11.17.7.4 CAN Bus Integrity
2-765