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 pump inspection
Turn the ignition switch on and check that the fuel pump operates for a few seconds. If the fuel pump motor does not make operating sound, inspect the fuel pump circuit connections or inspect the fuel pump relay and to sensor. Refer to “fuel pump relay inspection” and “dtc “c23” (p1651 ...

Water pump related parts inspection
Refer to “water pump disassembly and assembly” . Mechanical seal Visually inspect the mechanical seal for damage, with particular attention given to the sealing face. Replace the mechanical seal that shows indications of leakage. Oil seal Visually inspect the oil seal for damage, with p ...

Steering / steering damper related parts inspection
Refer to “steering / steering damper removal and installation” . Inspect the removed parts for the following abnormalities: Steering stem Distortion of the steering stem and brackets. Bearing Bearing wear or damage abnormal bearing noise race wear or damage &nbs ...