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 injector inspection and cleaning
Inspect the fuel injector in the following procedures: remove the fuel injector. Refer to “throttle body disassembly and assembly” in section 1d . Check the fuel injector for evidence of dirt and contamination. If present, clean and check for presence of dirt in the fuel lin ...

Heated oxygen sensor (ho2s) removal and installation
Removal Do not remove the ho2 sensor while it is hot. Caution be careful not to expose the ho2 sensor to excessive shock. Do not use an impact wrench when removing or installing the ho2 sensor. Be careful not to twist or damage t ...

DTC “c22” (p1450-h/l): ap sensor circuit malfunction
Detected condition and possible cause Detected condition Possible cause C22 Ap sensor voltage is not within the following range. 0.5 V ≤ Sensor voltage < 4.85 V Note note that atmospheric pressure varies depending on weather co ...