ELEC
7 - 33
TROUBLESHOOTING
The auto choke system fails to operate.
Check:
1. Auto choke unit resistance
2. Wiring connections
(of the entire auto choke system)
AUTO CHOKE SYSTEM
1. Auto choke unit resistance
• Disconnect the auto choke unit coupler
from wire harness.
• Connect the Pocket tester(Ω × 1) to the
Auto choke unit coupler as shown.
Positive tester probe brown
1
Negative tester probe green/black
2
• Measure the auto choke unit resistance.
Auto choke unit resistance
30
Ω
Ω
Ω
Ω
Ω
at 20°C
• Is the auto choke unit OK?
YES
NO
2. Wiring
• Check the entire auto choke system’s wir-
ing.
Refer to “CIRCUIT DIAGRAM”.
• Is the auto choke system’s wiring prop-
erly connected and without defects?
YES
NO
Replace the auto choke
unit.
Properly connect or repair
the auto choke system’s
wiring.
Br G/B