Page 2200 - Foton Workshop Manual - Aumark (BJ1099)

62-148 DIAGNOSIS-WIPER AND WASHING SYSTEM

TABLE OF MALFUNCTION SYMPTOMS

Using the table below will help you to find the cause of the faults. Serial number shows the
sorting of fault causes possibility. Check each part according to this sequence and replace
it if necessary.

Malfunction Possible Reason Reference
Symptoms

1. Fuse and relay (damaged)
Refer to chapter 62 diagnosis-
The front wiper fails to 2. Wiper switch (damaged) wiper and washing system, the
work 3. Wiper motor (damaged)
front wiper fails to work
4. Harness (open circuit or short circuit)

1. Fuse (damaged)
Refer to chapter 62 diagnosis-
The rear wiper fails to 2. Wiper switch (damaged) wiper and washing system, the
work 3. Wiper motor (damaged)
front wiper fails to work
4. Harness (open circuit or short circuit)

Front wiper high-speed 1. Wiper switch (damaged) Chapter 62 diagnosis-wiper and
control circuit open washing system, the front wiper
circuit / front wiper low- 2. Wiper motor (damaged) high-speed control circuit with
speed control circuit open circuit / the front wiper
high 3. Harness (open circuit or short circuit) high-speed control circuit with
current high current

Front wiper low-speed 1. Wiper switch (damaged) Chapter 62 diagnosis-wiper and
washing system, the front wiper
control circuit open 2. Wiper motor (damaged)
circuit / front wiper low- low-speed control circuit with
open circuit / the front wiper low-
speed control circuit speed control circuit with high
High current 3. Harness (open circuit or short circuit)
current
1. Wiper switch (damaged)
The wiper fails to work 2. Wiper intermittent device (damaged) Chapter 62 diagnosis-wiper and
(intermittent washing system, the wiper fails
gear) 3. Wiper motor (damaged) to work (intermittent gear)
4. Harness (open circuit or short circuit)
Wiper arms 1.Wiper arms (installed incorrectly) Chapter 62 diagnosis-wiper and
cannot return or return washing system, wiper arms
to the 2. Wiper motor (damaged) cannot return or return to the
wrong position wrong position (wiper switch is
(wiper switch is OFF) 3. Harness (open circuit or short circuit) off)
1.Worm (rusted or poorly lubricated)
Chapter 44 wiper and washing
2.Connecting rod (wore or deformed)
Wiper sounds abnormal system-wiper arm assembly,
3.Wiper blade (the rubber is burn-in or replacement
chapped)

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