Nissan Murano: Heater & Air Conditioning System :: Periodic Maintenance / Performance Test
INSPECTION PROCEDURE
-
Connect recovery/recycling/recharging equipment (for HFO-1234yf) or manifold gauge.
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Start the engine, and set to the following conditions.
Test condition Surrounding condition Indoors or in the shade (in a well-ventilated place) Nissan Murano Vehicle condition Door Closed Door glass Full open Hood Open Engine speed Idle speed A/C condition Temperature control switch or dial Full cold A/C switch ON Air outlet VENT (ventilation) Intake door position Recirculation Fan (blower) speed Maximum speed set -
Maintain test condition until A/C system becomes stable (approximately 10 minutes).
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Check that test results of “recirculating-to-discharge air temperature” and “ambient air temperature-to-operating pressure” are within the specified value.
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When test results are within the specified value, inspection is complete.
If any test result is out of the specified value, perform diagnosis by gauge pressure. Refer to Symptom Table.
RECIRCULATING-TO-DISCHARGE AIR TEMPERATURE TABLE
| Inside air (Recirculating air) at blower assembly inlet | Vent outlet temperature °C (°F) | ||
|---|---|---|---|
|
Relative humidity % |
Air temperature °C (°F) | 1st Row | 2nd Row |
| 50 – 60 | 25 (77) | 9.7 – 10.8 (49 – 51) | 10.8 – 12.0 (51 – 54) |
| 30 (86) | 14.4 – 16.0 (58 – 61) | 16.5 – 18.3 (62 – 65) | |
| 35 (95) | 17.6 – 19.5 (64 – 67) | 19.4 – 21.6 (67 – 71) | |
| 40 (104) | 19.9 – 22.1 (68 – 72) | 21.6 – 24.0 (71 – 75) | |
| 60 – 70 | 25 (77) | 10.8 – 11.9 (51 – 53) | 12.0 – 13.2 (54 – 56) |
| 30 (86) | 16.0 – 17.6 (61 – 64) | 18.3 – 20.1 (65 – 68) | |
| 35 (95) | 19.5 – 21.5 (67 – 71) | 21.6 – 23.8 (71 – 75) | |
| 40 (104) | 22.1 – 24.3 (72 – 76) | 24.0 – 26.4 (75 – 80) | |
AMBIENT AIR TEMPERATURE-TO-OPERATING PRESSURE TABLE
| Fresh air |
High-pressure (Discharge side) kPa (kg/cm2, psi) |
Low-pressure (Suction side) kPa (kg/cm2, psi) | |
|---|---|---|---|
|
Relative humidity % |
Air temperature °C (°F) | ||
| 50 – 70 | 25 (77) |
953 – 1,165 (9.7 – 11.9, 138 – 169) |
225 – 275 (2.30 – 2.81, 33 – 40) |
| 30 (86) |
1,192 – 1,456 (12.2 – 14.9, 173 – 211) |
273 – 333 (2.78 – 3.40, 40 – 48) |
|
| 35 (95) |
1,306 – 1,597 (13.3 – 16.3, 189 – 232) |
313 – 383 (3.20 – 3.91, 45 – 56) |
|
| 40 (104) |
1,430 – 1,748 (14.6 – 17.8, 207 – 253) |
345 – 422 (3.52 – 4.30, 50 – 61) |
|
Oil
Description
MAINTENANCE OF OIL LEVELThe compressor oil is circulating in the system together with the refrigerant. It is necessary to fill compressor with oil when replacing A/C system parts or when a large amount of refrigerant leaks are detected...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Seat :: Precaution. Precautions
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collisions...
Nissan Murano (Z52) 2015-2024 Service Manual: P2119 Electric Throttle Control Actuator
DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P2119 ETC ACTR-B1 (Throttle actuator control throttle body range/performance) 1 Diagnosis condition — Signal (terminal) — Threshold Electric throttle control actuator does not function properly due to the return spring malfunction Diagnosis delay time — 2 Diagnosis condition — Signal (terminal) — Threshold Throttle valve opening angle in fail-safe mode is not in specified range Diagnosis delay time — 3 Diagnosis condition — Signal (terminal) — Threshold ECM detects that the throttle valve is stuck open Diagnosis delay time — POSSIBLE CAUSE Electric throttle control actuator FAIL-SAFE Engine operating condition in fail-safe mode Fail safe mode Nissan Murano Vehicle behavior Electric throttle control actuator (When electric throttle control actuator does not function properly due to the return spring malfunction:) ECM controls the electric throttle actuator by regulating the throttle opening around the idle position...
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