Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Infiniti I35FACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| Code | Malfunction | Diagnostic Procedure No. |
|---|---|---|
| U1000 | CAN Communication System Failure | 6 |
| C1101 | Rear Right Sensor (Open Circuit) | 1 |
| C1102 | Rear Left Sensor (Open Circuit) | 1 |
| C1103 | Front Right Sensor Open Circuit | 1 |
| C1104 | Front Left Sensor (Open Circuit) | 1 |
| C1105 | Rear Right Sensor (Open Circuit) | 1 |
| C1106 | Rear Left Sensor (Short Circuit) | 1 |
| C1107 | Rear Left Sensor (Open Circuit) | 1 |
| C1108 | Front Left Sensor (Short Circuit) | 1 |
| C1109 | Power Supply (Low or High) | 2 |
| C1110 | Control Unit | 3 |
| C1111 | Actuator Motor Or Motor Relay | 4 |
| C1114 | Solenoid Valve Relay | 5 |
| C1120 | Actuator Front Left Inlet Solenoid Valve | 5 |
| C1121 | Actuator Front Left Outlet Solenoid Valve | 5 |
| C1122 | Actuator Front Right Inlet Solenoid Valve | 5 |
| C1123 | Actuator Front Right Outlet Solenoid Valve | 5 |
| C1124 | Actuator Rear Left Inlet Solenoid Valve | 5 |
| C1125 | Actuator Rear Left Outlet` Solenoid Valve | 5 |
| C1126 | Actuator Rear Right Inlet Solenoid Valve | 5 |
| C1127 | Actuator Rear Right Outlet Sloenoid Valve | 5 |
| C1130 | CAN Communication Line Or ECM |
6 |
| C1131 | CAN Communication Line Or ECM | 6 |
| C1132 | CAN Communication Line Or ECM | 6 |
| C1133 | CAN Communication Line Or ECM | 6 |
| C1135 | CAN Communication Line Or TCM | 6 |
| C1155 | Wheel Sensor Or The Circuit | 1 |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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