Nissan Sentra Service Manual: Ventilation system
Precaution
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Other materials:
C1601 Battery power supply
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1601
BATTERY VOLT
When a power supply voltage to the EPS control unit
is maintained at 17.5 V or more or at less than 9 V
continuously for five second or more.
...
Headlamp (hi) circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
headlamp high relay based on
inputs from the BCM over the CAN communication lines. When the headlamp high
relay is energized, power
flows through fuses 41 and 42, located in the IPDM E/R. Power then flo ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work flow
Customer interview
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the diagnostic
worksheet during the interview to document the facts and conditions when the
noise occurs and any
custom ...
