Dtc "C42" (P1650): Ig Switch Circuit Malfunction; Dtc "C44" (P0130/P0135): Ho2 Sensor (Ho2S) Circuit Malfunction - Suzuki GSX-R1000 Service Manual

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DTC "C42" (P1650): IG Switch Circuit Malfunction

Detected Condition and Possible Cause
Detected Condition
Ignition switch signal is not input to the ECM.
When the ID agreement is not verified.
ECM does not receive communication signal from the
immobilizer antenna.
(For E-02, 19, 24, 51)
Troubleshooting
NOTE
• Refer to "Ignition Switch Inspection" in Section 9C (Page 9C-7) for details.
• After repairing the trouble, clear the DTC using SDS tool. Refer to "Use of SDS Diagnosis Reset
Procedures" (Page 1A-14).

DTC "C44" (P0130/P0135): HO2 Sensor (HO2S) Circuit Malfunction

Detected Condition and Possible Cause
Detected Condition
HO2 sensor output voltage is not input to
ECM during engine operation and running
C44/P0130
condition.
Sensor voltage > 1.0 V
The heater can not operate so that heater
C44/P0135 operation voltage is not supplied to the
oxygen heater circuit.
Wiring Diagram
ECM
35 E2
34 HO2S
41 HO2SH
13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32 33 34 35 36
email: info@motomatrix.co.uk / www.motomatrix.co.uk
B/Br
W/G
W/B
ECM coupler (Harness side)
1 2 3 4 5 6 7 8 9 10 11 12
Engine General Information and Diagnosis:
Possible Cause
• Ignition system circuit open or short.
• ECM malfunction.
• Immobilizer system malfunction.
(For E-02, 19, 24, 51)
Possible Cause
• HO2 sensor circuit is open or shorted to the power
source.
• Heated circuit is open or shorted to ground.
• Battery voltage is not supply to the HO2 sensor.
Engine stop Side-stand
switch relay
O/W
To Side-stand
switch
HO2 sensor
37 38 39 40 41 42 43 44 45 46 47 48
49 50 51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70 71 72
1A-103
B947H11104027
B947H11104028
Ignition
switch
I837H1110094-01
I837H1110007-02