Page 1093 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ASSEMBLY INSTRUMENT 04-947

• Verify that the water temperature of engine is normal.
• Ignition Switch: ON.

1 . Check the coolant temperature sensor
(a) Ignition Switch: OFF.
(b) Dismount the coolant temperature sensor.
04
NOTICE

Engine coolant temperature sensor shall be dismounted in cold vehicle status (or
water temperature ≤ 40℃).

(c) Use a multimeter to measure the resistance
of engine coolant temperature sensor at
different water temperature, and its reference
value shall conform to the items listed in the
table below.

Tempe-
rature 50 85 110 115
(℃)

Resis-
tance 226 ± 35 64 ± 8 28 26.4 ± 2
（Ω）

Check whether the result is normal?
Yes> go to step 2
No > Replace the coolant temperature sensor

2 . Check the signal circuit of engine coolant temperature sensor.
(a) Ignition Switch: OFF.

(b) Disconnect the connector E09 of engine
coolant temperature sensor.
(c) Ignition Switch: ON.

ftwx111040

Page 1093