P1510

WIRING DIAGRAM

CIRCUIT DESCRIPTION
Battery voltage is translated to 5 V in ECM (PCM) back-up circuit. The voltage is supplied to keep DTC memory, values that ECM (PCM) has learned to control engine, etc. in ECM (PCM) even when ignition switch is turned OFF.




DTC DETECTING CONDITION AND TROUBLE AREA

DTC CONFIRMATION PROCEDURE

NOTE: Check to make sure that following conditions are satisfied when using this DTC CONFIRMATION PROCEDURE.

- Intake air temperature: between -14°C and 70°C (6.8°F and 158°F)
- Atmospheric pressure: higher than 560 mm.Hg (Altitude: lower than 2790 m (9150 ft))

1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool if any.
3. Start engine and run it for 10 sec.
4. Check DTC by using scan tool.




DTC TROUBLESHOOTING (DTC P1510)