Nissan GT-R (R35) · Service Manual ENGINE

P0132, P0152 A/F SENSOR 1

VR38

P0132 P0152

Description


The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sensor. The sensor element of the A/F sensor 1 is composed an electrode layer, which transports ions. It has a heater in the element.

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The sensor is capable of precise measurement = 1, but also in the lean and rich range. Together with its control electronics, the sensor outputs a clear, continuous signal throughout a wide range.
The exhaust gas components diffuse through the diffusion layer at the sensor cell. An electrode layer is applied voltage, and this current relative oxygen density in lean. Also this current relative hydrocarbon density in rich.

Therefore, the A/F sensor 1 is able to indicate air fuel ratio by this electrode layer of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of about 800°C (1,472°F).

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DTC Logic

 
 DTC DETECTION LOGIC

To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal is not inordinately high.

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible Cause
P0132
Air fuel ratio (A/F) sensor 1 (bank 1) circuit high voltage
  • The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 5 V.
  • Harness or connectors
    (The A/F sensor 1 circuit is open or shorted.)
  • A/F sensor 1
P0152
Air fuel ratio (A/F) sensor 1 (bank 2) circuit high voltage

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.CHECK A/F SENSOR FUNCTION
 
 3.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1.CHECK GROUND CONNECTION
 
 2.CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
 
 3.DETECT MALFUNCTIONING PART
 
 4.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
 
 5.CHECK INTERMITTENT INCIDENT
 
 6.REPLACE AIR FUEL RATIO (A/F) SENSOR 1