Sleep and Wake-up Mode Test
- Shift to the sleep mode:
Close all doors. Turn the ignition switch to LOCK (0), and remove the key, then open and close the driver's door. If the MICU receives no further inputs signals, it will go into sleep mode in less than 40 seconds.
- Confirm the sleep mode:NOTE: Check any official Honda service website for more service information about parasitic draw at the battery.
Check the parasitic draw at the battery after 40 seconds; amperage should change to less than 35 mA in less than 50 seconds.
- Shift to the wake up mode:
When the ignition switch is turned to ON (II), the MICU, gauge control module, immobilizer-keyless control unit, climate control unit, HandsFreeLink control unit, and PCM wake up at the same time without "talking" to each other through the communication lines. When any switch in the multiplex integrated control system is turned on, it wakes up its related control unit which, in turn, wakes up the other units. After confirming the sleep mode, look in the following table for the switch most related to the problem. Operate that switch and see if its control unit wakes up.
NOTE: If any control unit is faulty and will not wake up, several circuits in the system will malfunction at the same time. The table below is a list of the switches and the input signals that wake them up.Driver's door switch (door open)
Driver's rear door switch (door open)
Trunk lid/Tailgate latch switch (hatch open)
Trunk handle switch (switch pressed)
Driver's rear door lock knob switch
Security hood switch (hood open)
Hazard warning switch (ON)
Combination light switch (Parking, Headlight, High Beam, Passing)
Ignition key cylinder switch (key inserted)
Audio unit or audio-navigation unit switch (switch pressed)
Driver's door, key cylinder switch (LOCK/UNLOCK)
Passenger's rear door lock knob (UNLOCK)
Front passenger's door lock knob (UNLOCK)
Driver's door lock switch (LOCK/UNLOCK)
Front passenger's door switch (door open)
Passenger's rear door switch (door open)