Page 782 - Workshop Manual - Tunland (2017)
P. 782
04-96 DIAGNOSTICS - ENGINE CONTROL SYSTEM
04 (g) Use a multimeter to measure the voltage
between the pin 30 of auxiliary fan relay R4
and the ground.
Standard voltage
Multimeter connection
Standard value
pin
R4(30)- ground Battery voltage
Is the inspection result normal?
YES>To step 5.
No > Maintain or replace the harness.
5 . Check fan control circuit harness
(a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect main fan relay R5, R16 and auxiliary fan relay R4
(d) Disconnect connector A024 of ECM.
(e) Use a multimeter to measure the resistance
between the pin 85 of main fan relay R5 and
the pin 34 of ECM connector A024.
Standard resistance
Multimeter connection
Standard value
pin
R5(85)- A024(34) <10 Ω