WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

In order to save power, IPDM E/R switches status by itself based on each operating condition.

CAN communication status
- CAN communication is normally performed with other control units.
- Individual unit control by IPDM E/R is normally performed.
- When sleep request signal is received from BCM, mode is switched to sleep waiting status.
Sleep waiting status
- Process to stop CAN communication is activated.
- All systems controlled by IPDM E/R are stopped. When 1 second has elapsed after CAN communication with other control units is stopped, mode switches to sleep status.
Sleep status
- IPDM E/R operates in low current-consumption mode.
- CAN communication is stopped.
- When a change in CAN communication signal is detected, mode switches to CAN communication status.
- When a change in ignition switch signal is detected, mode switches to CAN communication status.

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.

Safety Warning

IPDM E/R Status Control

Use the Manual With the Right Hardware

When to See a Mechanic

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