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:

Conrod crank pin bearing inspection and selection
Refer to “engine bottom side disassembly” (page 1d- 49). Refer to “engine bottom side assembly” . Inspection Inspect the bearing surfaces for any signs of fusion, pitting, burn or flaws. If any, replace them with a specified set of bearings. Place the plastigauge axially along ...

Throttle body disassembly and assembly
Refer to “throttle body removal and installation” . Disassembly Caution identify the position of each removed part. Organize the parts in their respective groups so that they can be reinstalled in their original positions. Disconnect the fuel feed hose (1), isc valve ho ...

Cylinder head cover disassembly and assembly
Disassembly Remove the cylinder head cover. Refer to “engine top side disassembly” . Remove the gaskets (1) and (2). Remove the pair control solenoid valve (3) along with the pair reed valve covers (4). Remove the pair reed valves (5) and cmp sensor (6). As ...