Nissan Maxima Service and Repair Manual: Encoder
DRIVER SIDE
DRIVER SIDE : Description
Detects condition of the front power window motor LH operation and transmits
to main power window and door
lock/unlock switch as pulse signal.
DRIVER SIDE : Component Function Check
1. CHECK ENCODER OPERATION
Check that front door glass LH performs AUTO open/close operation normally
when operating main power
window and door lock/unlock switch.
DRIVER SIDE : Diagnosis Procedure
1.CHECK ENCODER OPERATION

- Turn ignition switch ON.
- Check signal between main power window and door lock/unlock
switch connector D7 terminals 9, 13 and ground with oscilloscope.


2. CHECK ENCODER POWER SUPPLY

Check voltage between front power window motor LH connector D9
terminal 4 and ground.

3. CHECK HARNESS CONTINUITY 1

- Turn ignition switch OFF.
- Disconnect main power window and door lock/unlock switch
connector D7 and front power window motor LH connector.
- Check continuity between main power window and door lock/
unlock switch connector D7 (A) terminal 15 and front power window
motor LH connector D9 (B) terminal 4.
- Check continuity between main power window and door lock/unlock switch
connector D7 (A) terminal 15
and ground.


4. CHECK ENCODER GROUND CIRCUIT

- Turn ignition switch OFF.
- Disconnect front power window motor LH connector.
- Check continuity between front power window motor LH connector
D9 terminal 6 and ground.

5. CHECK HARNESS CONTINUITY 2

- Disconnect main power window and door lock/unlock switch
connector D7.
- Check continuity between main power window and door lock/
unlock switch connector D7 (A) terminal 2 and front power window
motor LH connector D9 (B) terminal 6.

6. CHECK HARNESS CONTINUITY 3

- Disconnect main power window and door lock/unlock switch
connector D7.
- Check continuity between main power window and door lock/
unlock switch connector D7 (A) terminals 9, 13 and front power
window motor LH connector D9 (B) terminals 3, 5.
- Check continuity between main power window and door lock/unlock switch
connector D7 (A) terminals 9,
13 and ground.


DRIVER SIDE : Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
2. CHECK ANTI-PINCH OPERATION
Check anti-pinch operation.
PASSENGER SIDE
PASSENGER SIDE : Description
Detects condition of the front power window motor RH operation and transmits
to power window and door
lock/unlock switch RH as pulse signal.
PASSENGER SIDE : Component Function Check
1.CHECK ENCODER OPERATION
Check that front door glass RH performs AUTO open/close operation normally
when operating power window
and door lock/unlock switch RH.
PASSENGER SIDE : Diagnosis Procedure
1. CHECK ENCODER SIGNAL

- Turn ignition switch ON.
- Check signal between power window and door lock/unlock
switch RH connector D105 terminal 12, 15 and ground with
oscilloscope.


2. CHECK ENCODER POWER SUPPLY

Check voltage between front power window motor RH connector
D104 terminal 4 and ground.

3. CHECK HARNESS CONTINUITY 1

- Turn ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH and
front power window motor RH connectors.
- Check continuity between power window and door lock/unlock
switch RH connector D105 (A) terminal 4 and front power window
motor RH connector D104 (B) terminal 4.
- Check continuity between power window and door lock/unlock switch RH
connector D105 (A) terminal 4
and ground.


4. CHECK ENCODER GROUND CIRCUIT

- Turn ignition switch OFF.
- Disconnect front power window motor RH connector.
- Check continuity between front power window motor RH connector
D104 terminal 6 and ground.

5. CHECK HARNESS CONTINUITY 2

- Disconnect power window and door lock/unlock switch RH connector.
- Check continuity between power window and door lock/unlock
switch RH connector D105 (A) terminal 3 and front power window
motor RH connector D104 (B) terminal 6.

6. CHECK HARNESS CONTINUITY 3

- Disconnect power window and door lock/unlock switch RH connector.
- Check continuity between power window and door lock/unlock
switch RH connector D105 (A) terminals 12, 15 and front power
window motor RH connector D104 (B) terminals 3, 5.
- Check continuity between power window and door lock/unlock switch RH
connector D105 (A) terminals
12, 15 and ground.


PASSENGER SIDE : Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
2. CHECK ANTI-PINCH OPERATION
Check anti-pinch operation.
DRIVER SIDE
DRIVER SIDE : Description
Door glass moves UP/DOWN by receiving the signal from main power window and
door lock/unlock switch.
DRIVER SIDE : Component Function Check
1. CHECK FRONT P ...
Description
Detects front door open/close condition.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check front door switches DOOR SW-DR and DOOR SW-AS in Data Monitor mode with
CONSULT ...
Other materials:
P1574 ASCD vehicle speed sensor
Description
The ECM receives two vehicle speed signals via the CAN communication line.
One is sent from combination
meter, and the other is from TCM (Transmission control module). The ECM uses
these signals for ASCD control.
Refer to EC-68, "System Diagram" for ASCD functions.
D ...
B257B, B257C ambient sensor
Description
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor (1) is installed to the front bumper
reinforcement.
It detects ambient temperature and converts it into a resistance
value which is then input into the A/C auto amp.
Ambient Sensor Circuit
AMBIENT TEMPERATUR ...
ADP branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
Driver seat control unit
Harness connec ...