Suzuki GSX-R 1000 Service Manual: DTC “c42” (p1650): ig switch circuit malfunction

Suzuki GSX-R 1000 Service Manual / Engine / Engine general information and diagnosis / Diagnostic information and procedures / DTC “c42” (p1650): ig switch circuit malfunction

Detected condition and possible cause

Detected condition

Possible cause

Ignition switch signal is not input to the ecm.

Ignition system circuit open or short.
Ecm malfunction.

When the id agreement is not verified.

Ecm does not receive communication signal from the immobilizer antenna.

(For e-02, 19, 24, 51)

Immobilizer system malfunction.

(For e-02, 19, 24, 51)

Troubleshooting

Note

refer to “ignition switch inspection” in section 9c for details.
After repairing the trouble, clear the dtc using sds tool. Refer to “use of sds diagnosis reset procedures” .

DTC “c41” (p2505): ecm power input signal malfunction

Detected condition and possible cause Detected condition Possible cause C41/P2505 No voltage is applied to the ecm. Lead wire/coupler connection of ecm t ...

DTC “c44” (p0130/p0135): ho2 sensor (ho2s) circuit malfunction

Detected condition and possible cause Detected condition Possible cause C44/P0130 Ho2 sensor output voltage is not input to ecm during engine operation and running ...

Other materials:

Fuel and oil recommendation
Fuel (for USA and Canada) Use only unleaded gasoline of at least 90 pump octane (r/2 + m/2). Gasoline containing mtbe (meltyl tertiary butyl ether), less than 10% ethanol, or less than 5% methanol with appropriate cosolvents and corrosion inhibitor is permissible. Fuel (for other countries) ...

Cylinder inspection
Refer to “engine top side disassembly” . Refer to “engine top side assembly” . Cylinder distortion Check the gasket surface of the cylinder for distortion. Use a straightedge and thickness gauge. Take clearance readings at several places. If any reading exceeds the service limit, replace t ...

Precautions
Precautions for driveline / axle Refer to “general precautions” in section 00 (page 00-1). Never inspect or adjust the drive chain while the engine is running. Caution do not use trichloroethylene, gasoline or such similar solvent. These fluids will d ...