Page 189 - Foton Workshop Manual - Auman EST-M

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 135

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
1. Wiper motor / scrubbing motor fuse EG
Replace the same spec fuse
(fusing)
2. Relevant harness (open or short) Repair or replace relevant harness TR
Close the switch, the wiper does 3. Relay (broken) Replace the replay
not work Repair or replace the wiper combination AX
4. Wiper combination switch (broken)
switch
5. Wiper motor (broken) Replace the wiper motor FR
6. Body controller (broken) Replace the body controller

1. Battery (voltage too low) Charging or replacing battery ST
2. Relevant harness (poor contact) Repair or replace relevant harness
Wiper moving slowly 3. Motor bearing and reducer gear (poor BR
Filling lubricant
lubrication)
4. Wiper motor (broken) Replace the wiper motor BW
Repair or replace the wiper combination
1. Wiper combination switch (broken)
switch
Wiper not working only at intermittent EL
control 2. Relevant harness (open or short) Repair or replace relevant harness
3. Body controller (broken) Replace the body controller

Repair or replace the wiper combination
1. Wiper combination switch (broken)
switch
Wiper not working only at high speed
control 2. Relevant harness (open or short) Repair or replace relevant harness

3. Body controller (broken) Replace the body controller

Repair or replace the wiper combination
1. Wiper combination switch (broken)
Wiper not working only at low speed switch
control 2. Relevant harness (open or short) Repair or replace relevant harness

3. Body controller (broken) Replace the body controller

1. Wiper motor (broken) Replace the wiper motor
Close the switch, the wiper cannot be
2. Relevant harness (open or short) Repair or replace relevant harness
reset
3. Body controller (broken) Replace the body controller
Repair or replace the wiper combination
1. Wiper combination switch (broken)
switch

Scrubber motor not working 2. Scrubber motor relay (broken) Replace the scrubber relay
3. Washing motor (broken) Repair or replace the scrubber motor
4. Relevant harness (open or short) Repair or replace relevant harness

DI-135