Mil Circuit Troubleshooting; Ecm (Crf1000/A)/Pcm (Crf1000D) Removal/Installation - Honda CRF1000 Shop Manual

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MIL CIRCUIT TROUBLESHOOTING

When The Engine Starts But The MIL
Does Not Come On
Check that the MIL comes on a few seconds and goes
OFF when the ignition switch is turned ON with the
engine stop switch " ".
If the MIL and digital display do not function at all, refer
to combination meter power/ground line inspection
(page 22-12).
When The Engine Starts But The MIL
Does Not Go Off Within A Few
Seconds
If the MIL stays on, check the combination meter
If the engine stop
indication when the TXD line is abnormal (page 22-14).
switch is in " ",
the MIL will stay on
If the indication is not according to above condition,
even when the
check as follows.
system is normal.
Turn the ignition switch OFF.
Disconnect the ECM/PCM 33P (Black) connector (page
4-39).
Check for continuity between the wire harness side
ECM/PCM 33P (Black) connector [1] and ground.
TOOL:
Test probe
CONNECTION: B14 – Ground
If there is continuity, check for short circuit in the Gray/
blue wire between the DLC and ECM/PCM.
If there is no continuity, replace the ECM/PCM with a
known good one (page 4-39), and recheck.
ECM (CRF1000/A)/PCM (CRF1000D)
REMOVAL/ INSTALLATION
Remove the fuel tank (page 7-6)
Turn the ignition switch OFF.
Release the fuel tank breather hose [1] from the ECM/
PCM stay clamps [2].
Release the fuel tank breather hose C (open air) [3].
Remove the socket bolt [4].
07ZAJ-RDJA110
CRF1000D shown:
[4]
[1]
PGM-FI SYSTEM
[1]
B14
[2]
[3]
4-39