Mil Circuit Inspection - Honda MUV700 big red Service Manual

FUEL SYSTEM (PGM-FI)
MIL CIRCUIT INSPECTION
6-30
If the engine can be started but the MIL does not
come on when the ignition switch is turned to ON
(I),
check as follows:
1, Indicator Power Input Line Inspection
Turn the ignition switch to ON
(I).
Check that the neutral indicator, reverse indica-
tor and 4WD indicator function properly.
Do they operate properly?
YES - GO TO STEP 2.
NO - Open circuit in the Black/yellow wire
between the junction connector and
indicator lOP connector.
2. MIL
line
Open Circuit Inspection
Turn the ignition switch to OFF {OJ.
Disconnect the PCM 33P gray connector.
Ground the White/blue wire (619) terminal of the
wire harness side connector with a jumper wire.
TOOL:
Test probe, 2 pack 07ZAJ-RDJA 110
Turn the ignition switch to ON
(1)
and check the
MIL.
Does the MIL come on?
YES - Replace the PCM with a known good
one and recheck.
NO - GO TO STEP 3.
3. Indicator Bulb Inspection
Turn the ignition switch to OFF (0).
Disconnect the indicator lOP connector.
Check for continuity between the indicator side
connector terminals.
CONNECTION: Black/yellow - White fb lue
Is there continuity?
YES - Open circuit in the White/blue wire
between the PCM and indicator lOP
connector.
NO _. Faulty MIL bulb.
• Faulty indicator wire harness.
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II
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PCM 33P GRAY CONNECTOR
(Terminal side of the wire harness)
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White/blue (819)
INDICATOR lOP CONNECTOR
(Terminal side of the indicator harness)
J
Black/yellow White/blue