Troubleshooting - Suzuki GSX-R1000 2007 Service Manual

TROUBLESHOOTING

No spark or poor spark
NOTE:
* Check that the transmission is in neutral and the engine stop switch is in the RUN position. Grasp the
clutch lever.
* Check that the fuse is not blown and the battery is fully-charged before diagnosing.
Step 1
1) Check the ignition system couplers for poor connections.
Is there connection in the ignition system couplers?
YES
NO
Step 2
1) Measure the battery voltage between input lead wires at the ECM with the ignition switch in ON
position. (E-02, 19, 24: O/G and B/W, E-03, 28, 33: O/W and B/W)
Is the voltage OK?
YES
NO
Step 3
1) Measure the ignition coil primary peak voltage. (
NOTE:
This inspection method is applicable only with the multi circuit tester and the peak volt adaptor.
Is the peak voltage OK?
YES
NO
Step 4
1) Inspect the spark plugs. (
Are the spark plugs OK?
YES
NO
Go to Step 2.
Poor connection of couplers
Go to Step 3.
• Faulty ignition switch
• Faulty turn signal/side-stand relay
• Faulty engine stop switch
• Broken wire harness or poor connection of related circuit couplers
Go to Step 4.
Go to Step 5.
2-5 to -6)
Go to Step 5.
Faulty spark plug(-s).
9-25)
ELECTRICAL SYSTEM 9-23