HONDA marine BF135A, Руководство по ремонту, Страница: 28 / 49

5-25
5. TP sensor check
-1. Turn the ignition switch OFF and connect the TP
sensor 3P connector.
-2. Measure the TP sensor voltage using the Dr. H.
Is the measurement voltage 4.49 – 4.85V at full
open throttle and 0.44 – 0.56V at full close throttle?
YES – Substitute a known-good ECM and recheck.
NO – Replace the TP sensor.
• CMP Sensor Troubleshooting
DTC 8-1: No CMP sensor pulse
1. Symptom reproduction test
-1. Connect the Dr. H and clear the DTC once. If the
DTC can not be cleared, go on the troubleshooting.
-2. Start the engine and let it run at idling under no load.
-3. Check the DTC using the Dr. H.
Does the DTC 8-1 appear?
YES – Check the pulse plate. If it is normal, per-
form “2. CMP sensor power line check”. If it
is abnormal, replace the pulse plate and
recheck.
NO – Temporary failure (Disappeared)
2. CMP sensor power line check
-1. Turn the ignition switch OFF and disconnect the
CMP sensor 3P connector.
-2. Turn the ignition switch ON. Measure the voltage
between the No. 1 (Yellow/Black) terminal and the
No. 2 (Green/Red) terminal of the CMP sensor har-
ness side 3P connector.
Is there the battery voltage?
YES – Perform “4. CMP sensor signal line open
circuit check”.
NO – Perform “3. CMP sensor power line open
circuit check”.
CMP SENSOR HARNESS
SIDE 3P CONNECTOR
LG1 (GREEN/RED)
IGP
(YELLOW/BLACK)
VIEWED FROM THE
TERMINAL SIDE