Page 812 - Foton Workshop Manual - Tunland (AT)

04-666 DIAGNOSTICS - REAR WINDSCREEN DEFROST SYSTEM

Diagnostic steps

1 . Check fuse

(a) Disconnect battery negative cable.

(b) Check fuse : F28（125A）、F11 (60 A) inside
04 engine compartment fuse box
(c) Check fuses: F33 (5A)、F39 (15 A) inside
fuse box of the body.

Check whether the result is normal?

Yes> go to step 4
No> replace fuse

2 . Check harness and connector (defrost relay--ground)
(a) Ignition Switch: ON.
(b) Pull out rear windscreen defrost relay R01 inside fuse box of body.

(c) Measure the voltage based on the value in
the following form.
Standard voltage

Multimeter connection Multimeter connection

R01 (87)- ground Battery voltage

Check whether the result is normal?

Yes> go to step 3
No > Maintenance or replace harness.

3 . Check harness and connector (start and cut-off relay--ground)

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