Infinity_FX35_FX45_2003-2005

TroubleCodes (9 of 9)

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4.5L V8 - Auto



Trouble Code: P1564

ASCD Steering Switch Circuit Malfunction:

Trouble Code Conditions: Engine started, and PCM detected an unexpected high voltage condition on the ASCD Steering switch circuit, or the ASCD Steering switch signal was out of its specified range, or the Steering switch signal indicated it was always stuck "on". The status of the ASCD is displayed in the Combination Meter (Cruise or Set).

Possible Causes:



ASCD steering switch connector is damaged or loose
 
ASCD steering switch signal circuit is open
 
ASCD steering switch signal circuit is shorted to ground
 
ASCD steering switch is damaged or has failed
 

Trouble Code: P1568

ASCD Command Valve Circuit Malfunction:

Trouble Code Conditions: If DTC P1568 is displayed with DTC U1000 and/or U1001, diagnose the cause of the DTC U1000 and/or U1001 first. If DTC P1568 is displayed with DTC P0605, diagnose the cause of DTC P0605 first. Engine started, and PCM detected that the signals from the command valve unit (ICC unit) were out of range.

Possible Causes:



CAN communication line is open, shorted to ground or power
 
ICC unit is damaged or has failed
 
PCM has failed
 

Trouble Code: P1572

ASCD Brake Switch Circuit Malfunction:

Trouble Code Conditions: DTC P0605, P1706 and P1805 not set, engine started, vehicle driven at over 19 mph, and the PCM detected an "on" signal from both the ASCD and brake switches at the same time. The status of the ASCD is displayed in the Combination Meter (Cruise or Set).

Possible Causes:



ASCD switch connector is damaged, loose or shorted
 
ASCD or stop lamp switch is incorrectly installed or positioned
 
ASCD or stop lamp switch circuit is open or shorted to ground
 
ASCD or stop lamp switch is damaged or has failed
 

Trouble Code: P1574

ASCD Vehicle Speed Sensor Signal Malfunction:

Trouble Code Conditions: DTC P0500, P0605, U1000 and U1001 not set, engine started, vehicle driven at over 25 mph, and the PCM detected a difference in the VSS signals from the Combination Meter and TCM. The status of the ASCD is displayed in the Combination Meter (Cruise or Set).

Possible Causes:



CAN communication connector is damaged or loose (open)
 
CAN communication line is open, shorted to power or to ground
 
Combination Meter VSS circuit is open or shorted to ground
 
Combination Meter is damaged or has failed
 
Vehicle Speed sensor is damaged or has failed
 

Trouble Code: P1610

NATS Initialization Failure:

Trouble Code Conditions: Key on or engine cranking, system voltage over 10.5v, and the PCM detected a problem in the Nissan Antitheft System (NATS).

Possible Causes:



Refer to the information that explains how to diagnose a problem in the NATS (system) - use a compatible Scan Tool.
 

Trouble Code: P1611

NATS ID DISCORD, IMM-ECM:

Trouble Code Conditions: Key on or engine cranking, system voltage over 10.5v, and the PCM detected a problem in the Nissan Antitheft System (NATS).

Possible Causes:



Refer to the information that explains how to diagnose a problem in the NATS (system) - use a compatible Scan Tool.
 

Trouble Code: P1612

NATS CHAIN OF IMMU-ECM:

Trouble Code Conditions: Key on or engine cranking, system voltage over 10.5v, and the PCM detected a problem in the Nissan Antitheft System (NATS).

Possible Causes:



Refer to the information that explains how to diagnose a problem in the NATS (system) - use a compatible Scan Tool.
 

Trouble Code: P1613

NATS ECM INT CIRC-IMMU:

Trouble Code Conditions: Key on or engine cranking, system voltage over 10.5v, and the PCM detected a problem in the Nissan Antitheft System (NATS).

Possible Causes:



Refer to the information that explains how to diagnose a problem in the NATS (system) - use a compatible Scan Tool.
 

Trouble Code: P1614

NATS CHAIN OF IMMU-KEY:

Trouble Code Conditions: Key on or engine cranking, system voltage over 10.5v, and the PCM detected a problem in the Nissan Antitheft System (NATS).

Possible Causes:



Refer to the information that explains how to diagnose a problem in the NATS (system) - use a compatible Scan Tool.
 

Trouble Code: P1615

NATS IDIFFERENCE OF KEY:

Trouble Code Conditions: Key on or engine cranking, system voltage over 10.5v, and the PCM detected a problem in the Nissan Antitheft System (NATS).

Possible Causes:



Refer to the information that explains how to diagnose a problem in the NATS (system) - use a compatible Scan Tool.
 

Trouble Code: P1705

Throttle Position Sensor Circuit Malfunction:

Trouble Code Conditions: Engine runtime over 30 seconds, and the TCM detected the TP Switch input was too high or too low regardless of whether the Idle Switch was on or was off (accelerator pedal is depressed = off).

Possible Causes:



TP sensor signal circuit is open between the sensor and TCM
 
TP sensor signal circuit is shorted between sensor and TCM
 
TP sensor is damaged or has failed
 
TCM has failed
 

Trouble Code: P1706

A/T Park Neutral Position Switch Circuit Malfunction:

Trouble Code Conditions: Engine started, vehicle driven to a speed of over 5 mph, and the TCM determined the PNP switch input was not plausible with the vehicle moving in a forward gear, or the signal did not change during the start to run transition.

Possible Causes:



PNP switch signal circuit is open or shorted to ground
 
PNP switch is shorted to VREF or system power (B+)
 
PNP switch or the PNP relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P1754

A/T I/C Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected an unexpected voltage condition during the operation of the A/T I/C Solenoid valve circuit.

Possible Causes:



I/C solenoid connector is damaged or has failed
 
I/C solenoid control circuit is open or shorted to ground
 
I/C solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1757

A/T FR/B Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected an unexpected voltage condition on the A/T FR/B solenoid circuit.

Possible Causes:



FR/B solenoid connector is damaged or has failed
 
FR/B solenoid control circuit is open or shorted to ground
 
FR/B solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1759

A/T FR/B Solenoid Valve Performance:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected incorrect operation of the A/T FR/B solenoid circuit during the test.

Possible Causes:



FR/B solenoid connector is damaged or has failed
 
FR/B solenoid control circuit is open or shorted to ground
 
FR/B solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1762

A/T D/C Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected an unexpected voltage condition on the A/T D/C solenoid circuit.

Possible Causes:



D/C solenoid connector is damaged or has failed
 
D/C solenoid control circuit is open or shorted to ground
 
D/C solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1764

A/T D/C Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected incorrect operation of the A/T D/C solenoid circuit during the test.

Possible Causes:



D/C solenoid connector is damaged or has failed
 
D/C solenoid control circuit is open or shorted to ground
 
D/C solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1767

A/T HLR/C Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected an unexpected voltage condition on the A/T HLR/C solenoid circuit.

Possible Causes:



HLR/C solenoid connector is damaged or has failed
 
HLR/C solenoid control circuit is open or shorted to ground
 
HLR/C solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1769

A/T HLR/C Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected incorrect operation of the A/T HLR/C solenoid circuit during the test.

Possible Causes:



HLR/C solenoid connector is damaged or has failed
 
HLR/C solenoid control circuit is open or shorted to ground
 
HLR/C solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1772

A/T LC/B Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected an unexpected voltage condition on the A/T HLR/C solenoid circuit.

Possible Causes:



LC/B solenoid connector is damaged or has failed
 
LC/B solenoid control circuit is open or shorted to ground
 
LC/B solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1774

A/T LC/B Solenoid Valve Circuit Malfunction:

Trouble Code Conditions: Engine started, engine runtime over 30 seconds, and PCM detected incorrect operation of the A/T HLR/C solenoid circuit during the test.

Possible Causes:



LC/B solenoid connector is damaged or has failed
 
LC/B solenoid control circuit is open or shorted to ground
 
LC/B solenoid is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1805

A/T Brake Switch Circuit Malfunction:

Trouble Code Conditions: Engine started, engine running at cruise speed for several minutes, system voltage over 11.0v, and the PCM detected a continuous "on" signal (12v) on the Brake Switch circuit. The Brake Switch signal is used to decrease the engine speed while the vehicle is moving.

Possible Causes:



Stop lamp switch connector is damaged or loose (open circuit)
 
Stop lamp switch power circuit is open (test the No. 2 15A fuse)
 
Stop lamp switch is damaged or has failed (it may be shorted)
 

Trouble Code: P2123

Accelerator Pedal Position Sensor 1 Signal High Input:

Trouble Code Conditions: Key on or engine running; and the PCM detected an unexpected high voltage condition the APP1 sensor signal circuit during testing.

Possible Causes:



APP1 sensor connector is damaged (it may be open)
 
APP1 sensor signal circuit is shorted to VREF or system power
 
APP1 sensor signal circuit is damaged or has failed
 
TSB 01-064 (10/19/01) contains information related to this code
 

Trouble Code: P2127

Accelerator Pedal Position Sensor 2 Signal Low Input:

Trouble Code Conditions: Key on or engine running; and the PCM detected an unexpected low voltage condition the APP2 sensor signal circuit during testing.

Possible Causes:



APP2 sensor connector is damaged (it may be shorted)
 
APP2 sensor signal circuit is shorted to ground
 
APP2 sensor signal circuit is damaged or has failed
 
PCM is damaged or has failed
 

Trouble Code: P2128

Accelerator Pedal Position Sensor 2 Signal High Input:

Trouble Code Conditions: Key on or engine running; and the PCM detected an unexpected high voltage condition the APP2 sensor signal circuit during testing.

Possible Causes:



APP2 sensor connector is damaged (it may be open)
 
APP2 sensor signal circuit is shorted to VREF or system power
 
APP2 sensor signal circuit is damaged or has failed
 

Trouble Code: P2135

Throttle Position Sensor Range/Performance:

Trouble Code Conditions: Engine started, and the PCM detected a signal that was not plausible when compared to the signals from the TP1 and TP2 sensors during the CCM test period. The ETC Actuator consists of a throttle control motor and a pair of throttle position sensors. The TP sensors respond to movement of the throttle valve. The PCM judges the actual opening angle of the throttle valve from the signals from the TP1 and TP2 sensors during engine operation.

Possible Causes:



TP1 or TP2 sensor connector is damaged (open or shorted)
 
TP1 sensor signal circuit is open or shorted to ground
 
TP1 sensor signal circuit is damaged or has failed
 
TP2 sensor signal circuit is open or shorted to ground
 
TP2 sensor signal circuit is damaged or has failed
 
PCM is damaged or has failed
 

Trouble Code: P2138

Accelerator Pedal Position Sensor Range/Performance:

Trouble Code Conditions: Engine started, and the PCM detected a signal that was not plausible when compared to the signals from the APP1 and APP2 sensors during the CCM test period.

Possible Causes:



APP1 or APP2 sensor connector is damaged (open or shorted)
 
APP1 sensor signal circuit is open or shorted to ground
 
APP1 sensor signal circuit is damaged or has failed
 
APP2 sensor signal circuit is open or shorted to ground
 
APP2 sensor signal circuit is damaged or has failed
 
PCM is damaged or has failed
 

Trouble Code: U1001

Controller Area Network Line Malfunction:

Trouble Code Conditions: Key on or engine running; and one or more of the controllers on the Controller Area Network (CAN) determined that it could not communicate for more than a specified time period. The Controller Area Network (CAN) is a serial communication line for real-time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. A vehicle can have several Electronic Control Modules, and each ECM shares information and links with other control units during vehicle operation (not independently). In CAN communication, control units are connected via two (2) communication lines (a CAN 'H' line and a CAN 'L' line) that allow for a high rate of information transmission with less wiring. Each ECM transmits and receives data, but still selectively reads only data that it requires.

Possible Causes:



CAN connector is damaged or is disconnected
 
CAN communication line is open, shorted to ground or to power
 
One of the modules is shorted and pulling the CAN voltage low
 

 
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