Page 355 - Foton Workshop Manual - Auman EST-M

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 301

Failure phenomenon list IN

Use the list below to help you find the reasons of failures. The number represents the order of failure reason
possibility. Check each part according to the order and replace it when necessary. DI

Failure phenomenon Possible reason Failure elimination
EG
1. Combination instrument fuse (burnt out) Replace the same spec fuse
The whole combination
2. Power and earth circuit (broken or short) Repair or replace harness
instrument is not working TR
3. Combination instrument (broken) Replace the combination instrument

1. Combination instrument backlight circuit AX
The back light of combination Repair or replace harness
(fault)
instrument is not bright
2. Combination instrument (broken) Replace the combination instrument FR

Repair or replace the vehicle speed
1. Vehicle speed sensor (damaged)
sensor. ST
Speedometer failure
2. Vehicle speed sensor circuit (broken or short) Repair or replace harness
BR
3. Combination instrument (broken) Replace the combination instrument

Repair or replace crankshaft position
1. Crankshaft position sensor (damaged) BW
sensor

Tachometer failure 2. Crankshaft position sensor circuit (broken or
Repair or replace harness EL
short)

3. Combination instrument (broken) Replace the combination instrument

1. Fuel sensor (broken) Repair or replace the fuel sensor

Fuel gauge failure 2. Fuel gauge circuit (broken or short) Repair or replace harness

3. Combination instrument (broken) Replace the combination instrument

Repair or replace coolant temperature
1. Coolant temperature sensor (damaged)
sensor

2. (broken or short) circuit (broken or short) Repair or replace harness
Water thermometer failure

3. Combination instrument (broken) Repair or replace harness

4. Engine ECU (broken) Repair or replace engine ECU

1. Air pressure sensor (damaged) Repair or replace air pressure sensor

Pressure gauge failure 2. Air pressure sensor circuit (broken or short) Repair or replace harness

3. Combination instrument (broken) Replace the combination instrument

1. Door control switch circuit (broken or short) Repair or replace harness
Door unlocked warning lamp is
2. Door control switch (damaged) Repair or replace door control switch
off/keeps on.

3. Combination instrument (broken) Replace the combination instrument

DI-301