Page 440 - Workshop Manual - Tunland (2017)

04-302 DIAGNOSTICS - AIR CONDITIONING SYSTEM

Diagnostic steps

1 . Check fuse

(a) Disconnect battery negative cable.

(b) Check the fuse inside the fuse box of engine
04 compartment:
• F28（125A）
• F11（60A）

(c) Check the fuse inside the vehicle-body fuse
box:

• F17（5A）
• F33（5A）
• F44（30A）

Check whether the result is normal?

Yes> go to step 2
No> replace fuse

2 . Check the starter relay
(a) Disconnect battery negative cable.
(b) Unplug the relay R4 of starter.

(c) Check the relay R4 of no-load starter.
Standard resistance:

Multimeter
Specified
Conditions connection value
stitch
Normal
situation 1-2 Breakover

Apply power
supply voltage
to position 3-4 ＜2Ω
between stitch
1 and 2,

Check whether the result is normal?

Yes> go to step 3
No > Replace the starter relay, and verify again whether the failure exists.

3 . Check the blower relay