Honda Motor BF40D Manual Del Usuario página 420

• EBT SENSOR TROUBLESHOOTING
DTC 6-1: EBT sensor voltage is too low
1) Symptom reproduction test
a. Turn the combination switch OFF. Disconnect the
EBT sensor 2P connector
again.
b. Clear the DTC (P. 5-12).
• Continue the procedure when the DTC does not
clear.
c. Turn the combination switch ON. Measure the EBT
sensor voltage using the HDS (Dr. H or pocket
tester).
Is the measurement within 0.078 - 4.92V?
YES - Temporary failure (Disappears.)
NO - Go to "2) EBT sensor signal line short-circuit
inspection."
2) EBT sensor signal line short-circuit inspection
a. Turn the combination switch OFF. Disconnect the
ECM connector A
9
connector .
17
b. Check for continuity between the EBT sensor 2P
connector main wire harness side No.1
17
(Red/White) terminal and the engine ground.
EBT SENSOR 2P CONNECTOR
MAIN WIRE HARNESS SIDE
17
VIEWED FROM THE
TERMINAL SIDE
5-25
once and connect it
17
and the EBT sensor 2P
TE (Red/White)
420
Is there continuity?
YES - Repair short in the main wire harness
between the ECM and the EBT sensor.
NO - Go to "3) EBT sensor inspection."
3) EBT sensor inspection
a. Connect the ECM connector A
EBT sensor and connect the EBT sensor 2P
connector .
17
b. Turn the combination switch ON and measure the
EBT sensor temperature using the HDS (Dr. H or
pocket tester).
Does the measurement correspond to the ambient
temperature?
YES - Replace the ECM with a new one and
recheck.
NO - Replace the EBT sensor with a new one and
recheck.
. Remove the
9