Nissan Maxima Service and Repair Manual: Cooler pipe and hose
Exploded View

- Heater and cooling unit assembly
- High-pressure pipe
- High-pressure A/C service valve
- High-pressure flexible hose
- Air deflector (RH)
- Junction pipe
- Condenser
- Liquid tank
- Refrigerant pressure sensor
- Condenser, liquid tank and refrigerant pressure sensor
- Air deflector (LH)
- Compressor
- Low-pressure flexible hose
- Low-pressure A/C service valve
- Low-pressure pipe
- High-pressure pipe to heater and
cooling unit assembly
- High-pressure flexible hose to compressor
- Low-pressure flexible hose to compressor
LOW-PRESSURE FLEXIBLE HOSE
LOW-PRESSURE FLEXIBLE HOSE : Removal and I
REMOVAL
CAUTION: Before servicing, turn the ignition
switch off, disconnect both battery terminals and wait at least three
minutes.
- Discharge the refrigerant.
- Partially drain the engine cooling system. Refer to CO-11, "Changing
Engine Coolant".
- Disconnect the battery negative and positive terminals.
- Remove the engine room cover.
- Remove the air cleaner assembly and air ducts. Refer to EM-24, "Removal
and Installation".
- Remove the upper radiator hose.
- Remove the battery and battery tray. Refer to PG-68, "Removal and
Installation (Battery Tray)".
- Remove the engine cooling fan and shroud assembly. Refer to CO-17,
"Removal and Installation".
- Disconnect the low-pressure flexible hose from the compressor and
the low-pressure pipe. CAUTION:
Cap or wrap the joint of the hose with suitable material such as vinyl tape
to avoid the entry of air.
- Remove the low-pressure flexible hose.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to the new O-rings for installation.
- After recharging the refrigerant, check for leaks. Refer to
HA-26, "Leak Test".
LOW-PRESSURE PIPE
LOW-PRESSURE PIPE : Removal and Installation
REMOVAL
- Discharge the refrigerant. Refer to HA-28, "Recycle Refrigerant".
- Remove the hoodledge covers (LH/RH).
- Remove the strut tower bar. Refer to FSU-13, "Exploded View".
- Remove the upper cowl. Refer to EXT-21, "Removal and Installation".
- Remove the lower RH cowl.
- Reposition the power steering reservoir out of the way without
disconnecting the hose.
- Disconnect the power steering hose clamp to reposition the power
steering hose out of the way without disconnecting the hose.
- Disconnect the low-pressure pipe from the expansion valve and the
low-pressure hose.
CAUTION:
- Cap or wrap the joint of the pipe with a suitable material
such as vinyl tape to avoid the entry of air.
- Remove the low-pressure pipe.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to the new O-rings for installation.
- - After recharging the refrigerant, check for leaks. Refer to HA-26,
"Leak Test".
HIGH-PRESSURE FLEXIBLE HOSE
HIGH-PRESSURE FLEXIBLE HOSE : Removal and Installation
REMOVAL
CAUTION: Before servicing, turn the ignition
switch off, disconnect both battery terminals and wait at least three
minutes.
- Discharge the refrigerant. Refer to HA-28, "Recycle Refrigerant".
- Partially drain the engine cooling system. Refer to CO-11, "Changing
Engine Coolant".
- Disconnect the battery negative and positive terminals.
- Remove the hoodledge covers (LH/RH).
- Remove the air cleaner assembly and air ducts. Refer to EM-24, "Removal
and Installation".
- Remove the upper radiator hose.
- Remove the battery and battery tray. Refer to PG-68, "Removal and
Installation (Battery Tray)".
- Remove the engine cooling fan and shroud assembly. Refer to CO-16,
"Removal and Installation".
- Disconnect the high-pressure flexible hose from the compressor and the
high-pressure pipe and junction pipe. CAUTION:
Cap or wrap the joint of the hose with suitable material such as vinyl tape
to avoid the entry of air.
- Remove the high-pressure flexible hose.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to the new O-rings for installation.
- After charging the refrigerant, check for leaks. Refer to
HA-26, "Leak Test".
HIGH-PRESSURE PIPE
HIGH-PRESSURE PIPE : Removal and Installation
REMOVAL
- Discharge the refrigerant. Refer to HA-28, "Recycle Refrigerant".
- Remove the hoodledge covers (LH/RH).
- Remove the strut tower bar. Refer to FSU-13, "Exploded View".
- Remove the upper cowl. Refer to EXT-21, "Removal and
Installation".
- Remove the lower RH cowl.
- Reposition the engine coolant reservoir out of the way without
disconnecting the hose.
- Reposition the power steering reservoir out of the way without
disconnecting the hose.
- Disconnect the power steering hose clamp to reposition the power
steering hose out of the way without disconnecting the hose.
- Remove the torque rod. Refer to EM-103, "Removal and Installation".
- Disconnect the harness bracket from the engine cover.
- Disconnect the high-pressure pipe from the expansion valve and the
high-pressure flexible hose and junction pipe.
CAUTION: Cap or wrap the joint of the pipe with a
suitable material such as vinyl tape to avoid the entry of air.
- Remove the high-pressure pipe.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to the new O-rings for installation.
- After charging the refrigerant, check for leaks. Refer to
HA-26, "Leak Test".
COMPRESSOR
Removal and Installation for Compressor
REMOVAL
CAUTION: Before servicing, turn the ignition
switch off, disconnect both battery terminals and wait at least three
minutes.
Di ...
CONDENSER
CONDENSER : Removal and Installation
REMOVAL
Discharge the refrigerant. Refer to HA-28, "Recycle Refrigerant".
Remove the RH hoodledge cover.
Remove the front bumper fascia. Refer ...
Other materials:
Line pressure test
Inspection and Judgment
INSPECTION
Line Pressure Test Procedure
Inspect the amount of engine oil and replenish
if necessary.
Drive the car for about 10 minutes to warm it
up so that the CVT fluid reaches in the range of 50 to 80C
(122 to 176F). Then inspect the ...
P1726 throttle control signal
Description
The electric throttle control actuator consists of
throttle control motor, accelerator pedal position sensor, throttle
position sensor, etc. The actuator sends a signal to the ECM, and ECM sends the
signal to TCM via CAN
communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONF ...
P0840 transmission fluid pressure SEN/SW A
The secondary pressure sensor detects secondary pressure of CVT and sends a
signal to the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn
ignition switch OFF.
Then wait at least 10 seconds b ...