Nissan Sentra Service Manual: DTC/circuit diagnosis
- C1601 Battery power supply
- C1604 Torque sensor
- C1606 EPS Motor
- C1607, C1608 EPS Control unit
- C1609 Vehicle speed signal
- U1000 CAN Comm circuit
- EPS Warning lamp
Basic inspection
Diagnosis and repair workflow
Work Flow
Detailed flow
1.Interview from the customer
Clarify customer complaints before inspection. First of all,
perform an interview utilizing stc-20, "dia ...
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
...
Other materials:
Basic inspection
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1.Get information for symptom
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> Go to 2
2.Confirm the symptom
Try to ...
Brake warning lamp
Component Function Check
1.CHECK BRAKE WARNING LAMP FUNCTION (1)
Check that brake warning lamp in combination meter turns ON for
approximately 2 seconds after ignition
switch is turned ON.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to diagnosis procedure. ...
Sensor power supply 2 circuit
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...
