Dtc 33-2 (Eeprom); Dtc 64-1 (Drive Power Low Voltage) - Honda MUV700 big red Service Manual

FUEL SYSTEM (PGM-FI)
6-28
DTC 33 -2 (EEPROM)
1. Recheck o TC
Erase the OTC (page 6·13).
Turn the ignition switch to OFF (0) and ON
(I).
Recheck the PCM EEPROM with the HDS pocket
tester.
Is OTC 33-2 indica ted?
YES - Replace the PCM with a known good
one and recheck.
NO - Interminent failure.
DTC 64-' (DRIVE POWER LOW
VOLTAGE)
• Before starting the troubleshooting, check that
the battery and IGN fuse (10 A) are in good con-
dition.
1. Recheck
oTC
Erase the OTC (page 6-13).
Turn the ignition switch to OFF (0) and ON (I).
Recheck the OTe with the HOS pocket lester.
Is ore
64· 1 indica ted ?
YES - GO TO STEP 2.
NO - Intermittent failure.
2. Drive Power Input line Inspection
Turn the ignition switch to OFF (0).
Disconnect the PCM 5P black connector.
Turn the ignition switch to ON
(I).
Measure the voltage between the wire harness
side 5P black connector terminal and ground.
Connect ion: Black/yellow
(+ ) -
Ground
H
Is th ere battery vol tage?
YES - Replace the PCM with a known good
one and recheck.
NO - GO TO STEP
3.
3.
M ain Relay Inspection
Check the main relay (page 6·38) .
Is
th e
m Jlin r elay normJlI?
YES - GO TO STEP 4.
NO - Faulty m ain relay.
4. M ai n Relay Circuit Inspection
Check the main relay ci rcu its (page
6-39).
Are th e
main
r elay circuits norm al?
YES - Open circuit in the Blacklyellow wire.
NO - Faulty main relay circuit(s).
PCM 5P BLACK CONNECTOR
(Terminal side of the wire harness)
\
Black/yetlow
(+)