Dtc 8-2 (Tp Sensor High Voltage) - Honda TRX500FM Service Manual

5. TP Sensor Output Line Open Ci rcuit Inspection
Turn the ignition switch OFF.
Disconnect the PCM/ECM 33P (Gray) connector [1].
Check for con tinuity between the wire harness side
sensor unit
5P
(Black) connector [2) and PCM/ECM
33P (Gray) connector terminals.
Connection: 814 - Blue/black
TOOL:
Test probe 07ZAJ·RDJA1 10
Is
th ere continuity ?
YES - GO TO STEP 6 .
NO - Open circuit in the Blue/black wire.
6. TP Sensor Output Line Short Circuit Inspection
Check for continuity between the wire harness side , - -
sensor unit
5P
(Black) connector [1} terminal and
ground.
Connection : Blue/black - Ground
Is there continuity?
YES - Short circuil in the Bluelblack wire.
NO - GO TO STEP 7.
7. TP Sensor Inspection
Replace the sensor unit with a known good one
(page 4·30).
Erase the OTC (page 4.12).
Tum the ignition switch ON and engine stop switch
w Ow .
Check the TP sensor with the HOS pocket tester.
Is OTC B·1 indicated?
YES - Replace the PCM/ECM with a known good
one (page
4·34),
and recheck.
NO - Faulty original sensor unit (TP sensor).
DTC 8·2 (TP SENSOR HIGH VOLTAGE)
1. TP Sensor System Inspection
Tum the ignition switch ON and engine stop switch
·0· ,
Check the TP sensor with the HOS pocket tester
with Ihe Ihrottle fuUy closed.
Is about 5 V indicated?
YES - GO TO STEP 3.
NO - GO TO STEP 2.
PGM·FI SYSTEM
.,4
Blue/blacK I
(11
4·19