Page 741 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - AUTOMATIC TRANSMISSION 04-595

FAULT PHENOMENON TABLE

NOTICE

If no fault code is shown in DTC examination and the system fails to work normally,
circuit shall be examined based on the following faults.

When replacing TCU and gearshift lever, Ignition switch shall be shifted to LOCK and 04
battery terminal negative shall have an open circuit.The following table may help you
find fault causes.The number stands for potential sequence of fault causes. Each
component shall be examined following the sequence and shall be replaced as it is
needed.

Fault phenomenon Possible reasons Refer to

1. Fuse Chapter 4 Diagnosis－
Diagnostic unit fails to automatic transmission，
2. TCU wiring harness
communicate with TCU Diagnostic unit fails to
3. TCU fault communicate with TCU

1. Fuse
Chapter 4 Diagnosis－
2. Shift handle fault
"P" gear can not be pulled out automatic transmission，"P"
3. Brake signal circuit fault
gear can not be pulled out
4.TCU fault

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