Altima V6-3.5L (VQ35) (2003)
Operation of control parts by IPDM E/R during fail-safe mode is as shown.
IPDM E/R STATUS CONTROL
In order to save power, IPDM E/R switches status by itself based on each operating condition.
1. CAN Communication Status
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CAN communication is normally performed with other control units.
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Individual unit control by IPDM E/R is normally performed.
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When sleep request signal is received from BCM, mode is switched to sleep waiting status.
2. Sleep Waiting Status
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Process to stop CAN communication is activated.
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All systems controlled by IPDM E/R are stopped. When 3 seconds have elapsed after CAN communication with other control units is stopped,
mode switches to sleep status.
3. Sleep Status
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IPDM E/R operates in low current-consumption mode.
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CAN communication is stopped
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When a change in CAN communication line is detected, mode switches to CAN communication status.