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.
2008 Infiniti M35 BaseFACTORY OEM SERVICE PROCEDURE
P1805 - P2A03
NOTE:
- If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000, U1001. Refer to DTC U1000, U1001 CAN COMMUNICATION LINE .
- If DTC U1010 is displayed with other DTC, first perform the trouble diagnosis for DTC U1010. Refer to DTC U1010 CAN COMMUNICATION .
DTC - P1805 - P2A03
| DTC(1) | Items (CONSULT-III screen terms) | Reference | |||||||
|---|---|---|---|---|---|---|---|---|---|
| CONSULT-III GST(2) | ECM(3) | ||||||||
| P1805 | 1805 | BRAKE SW/CIRCUIT | DTC P1805 BRAKE SWITCH | ||||||
| P2100 | 2100 | ETC MOT PWR | DTC P2100 THROTTLE CONTROL MOTOR RELAY | ||||||
| P2101 | 2101 | ETC FUNCTION/CIRC | DTC P2100 THROTTLE CONTROL MOTOR RELAY | ||||||
| P2103 | 2103 | ETC MOT PWR | DTC P2103 THROTTLE CONTROL MOTOR RELAY | ||||||
| P2118 | 2118 | ETC MOT | DTC P2118 THROTTLE CONTROL MOTOR | ||||||
| P2119 | 2119 | ETC ACTR | DTC P2119 ELECTRIC THROTTLE CONTROL ACTUATOR | ||||||
| P2122 | 2122 | APP SEN 1/CIRC | DTC P2122 APP SENSOR | ||||||
| P2123 | 2123 | APP SEN 1/CIRC | DTC P2123 APP SENSOR | ||||||
| P2127 | 2127 | APP SEN 2/CIRC | DTC P2127 APP SENSOR | ||||||
| P2128 | 2128 | APP SEN 2/CIRC | DTC P2128 APP SENSOR | ||||||
| P2135 | 2135 | TP SENSOR | DTC P2135 TP SENSOR | ||||||
| P2138 | 2138 | APP SENSOR | DTC P2138 APP SENSOR | ||||||
| P2A00 | 2A00 | A/F SENSOR1 (B1) | DTC P2A00 A/F SENSOR 1 | ||||||
| P2A03 | 2A03 | A/F SENSOR1 (B2) | DTC P2A03 A/F SENSOR 1 | ||||||
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Factory Service Tools
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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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