Honda BF40D Mode D'emploi page 433

4) CYL line open-circuit inspection
• Connect the pulser coil 2P connector
continuity between the ECM connector A
wire harness side No.5 (Blue/Yellow) terminal and
the No.24 (Black) terminal.
ECM CONNECTOR A
MAIN WIRE HARNESS SIDE
9
CYLM (Black)
VIEWED FROM THE TERMINAL SIDE
Is there continuity?
YES - Go to "5) Pulser coil inspection."
NO - Repair open in the main wire harness
between the ECM and the pulser coil.
5) Pulser coil inspection
• Disconnect the pulser coil 2P connector
Measure the resistance between the pulser coil side
No.1 terminal and No.2 terminal of the pulser coil 2P
connector .
16
PULSER COIL 2P CONNECTOR
PULSER COIL SIDE
CYLP
(Blue/Yellow)
VIEWED FROM THE TERMINAL SIDE
Is the measurement within 288 - 352 ?
YES - Replace the ECM with a new one and
recheck.
NO - Replace the pulser coil with a new one and
recheck.
DTC 58-2: Abnormal pulser coil current
1) Symptom reproduction test
a. Turn the combination switch OFF. Disconnect the
pulser coil 2P connector
again.
b. Clear the DTC (P. 5-12).
• Continue the procedure when the DTC does not
clear.
c. Start the engine and check the DTC using the HDS
(Dr. H or pocket tester).
. Check for
16
main
9
CYLP
(Blue/Yellow)
.
16
16
CYLM (Black)
once and connect it
16
433
Does the DTC 58-2 appear?
YES - Go to "2) CYL line open-circuit inspection."
NO - Temporary failure (Disappears.)
2) CYL line open-circuit inspection
a. Turn the combination switch OFF and disconnect
the ECM connector A
9
b. Check for continuity between the main wire
harness side No.5 (Blue/Yellow) terminal and No.24
(Black) terminal of the ECM connector A
ECM CONNECTOR A
MAIN WIRE HARNESS SIDE
9
CYLM (Black)
VIEWED FROM THE TERMINAL SIDE
Is there continuity?
YES - Go to "3) Pulser rotor inspection."
NO - Repair open in the main wire harness
between the ECM and the pulser coil.
3) Pulser rotor inspection
• Check the pulser rotor.
Is the pulser rotor damaged?
YES - Replace the pulser rotor with a new one and
recheck.
NO - Go to "4) Pulser coil inspection."
4) Pulser coil inspection
• Disconnect the pulser coil 2P connector
Measure the resistance between the pulser coil side
No.1 terminal and No.2 terminal of the pulser coil 2P
connector .
16
PULSER COIL 2P CONNECTOR
PULSER COIL SIDE
16
CYLP
(Blue/Yellow)
VIEWED FROM THE TERMINAL SIDE
Is the measurement within 288 - 352 ?
YES - Replace the ECM with a new one and
recheck.
NO - Replace the pulser coil with a new one and
recheck.
.
.
9
CYLP
(Blue/Yellow)
.
16
CYLM (Black)
5-38