Infiniti Car 1998-05

3.0L V6 - Auto 3

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Trouble Code: P1137



Swirl Control Valve Control Position Sensor Circuit Malfunction:

Possible Causes:



Swirl Control valve control position sensor open or shorted
 
Swirl Control valve control position sensor is damaged
 
Swirl Control valve control position sensor has failed
 
PCM has failed
 

Trouble Code: P1138



Swirl Control Valve Control Position Sensor Performance:

Possible Causes:



Swirl Control valve control position sensor is damaged
 
Swirl Control valve control position sensor has failed
 
PCM has failed
 

Trouble Code: P1148



Closed Loop Malfunction Detected (Bank 1):

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S is damaged, contaminated or has failed
 
HO2S heater is damaged or has failed
 

Trouble Code: P1165



Swirl Control Valve Control Vacuum Check Switch:

Possible Causes:



SCV vacuum hoses are switched or disconnected
 
SCV control vacuum switch circuit is opened or shorted
 
SCV control vacuum switch is damaged or has failed
 
SCV solenoid is damaged or has failed
 

Trouble Code: P1168



Closed Loop Malfunction Detected (Bank 2):

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S is damaged, contaminated or has failed
 
HO2S heater is damaged or has failed
 

Trouble Code: P1210



Traction Control System Signal Missing:

Possible Causes:



Traction Control communication circuit is open or shorted
 
Throttle Actuator Control (TAC) module has failed
 

Trouble Code: P1211



VDC/TCS/ABS Control Unit Malfunction:

Possible Causes:



Traction Control System (TCS) related parts have failed
 
VDCTCS/ABS controller is damaged or has failed
 

Trouble Code: P1212



VDC/TCS/ABS Communication Line Malfunction:

Possible Causes:



VDCTCS/ABS communication line is open or shorted to ground
 
VDCTCS/ABS controller has failed
 
System voltage is too low (a severely discharged battery)
 

Trouble Code: P1217



Engine Over-Temperature Condition:

Possible Causes:



Check cooling system components (i.e., hoses, cap, coolant)
 
Check the thermostat operation (it may be stuck partly closed)
 
Engine cooling fan circuit(s) open or shorted to ground
 
Engine cooling fan is damaged or has failed
 

Trouble Code: P1320



Ignition Control Signal Circuit Malfunction:

Possible Causes:



Ignition coil primary circuit is open or shorted
 
Ignition coil condenser is shorted
 
CKP sensor signal is erratic, missing or the sensor has failed
 
CMP sensor signal is erratic, missing or the sensor has failed
 
TSB 01-052 (9/01) contains information related to this code
 

Trouble Code: P1335



Crankshaft Position Reference Sensor Circuit Malfunction:

Possible Causes:



CKP sensor connector is damaged, loose or shorted
 
CKP reference signal circuit is open or shorted to ground
 
CKP reference sensor is damaged or has failed
 
Starter motor or starter motor circuit is damaged (not working)
 

Trouble Code: P1336



Crankshaft Position Sensor Circuit Malfunction:

Possible Causes:



CKP sensor connector is damaged, loose or shorted
 
CKP POS signal circuit is open or shorted to ground
 
Crankshaft position (POS) sensor is damaged or has failed
 
Engine flywheel or drive plate gear tooth may be chipped or damaged (causing erratic CKP signals - check with Lab Scope)
 

Trouble Code: P1400



EGR Control Solenoid Circuit Malfunction:

Possible Causes:



EGRC solenoid connector is damaged, open or shorted
 
EGRC solenoid control circuit is open or shorted to ground
 
EGRC solenoid control circuit is shorted to system power (B+)
 
EGRC solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P1401



EGR Temperature Sensor Circuit Malfunction:

Possible Causes:



EGR temperature sensor connector is damaged or shorted
 
EGR temperature sensor signal circuit open/shorted to ground
 
EGR temperature sensor signal circuit shorted to VREF
 
EGR temperature sensor is damaged or has failed
 

Trouble Code: P1402



EGR System Malfunction (Open) Detected:

Possible Causes:



EGR valve seat leaking or EGR valve stuck in open position
 
EGRC solenoid is damaged or has failed
 
EGR temperature sensor is damaged or has failed
 
EGRC-BPT valve is damaged or has failed
 

Trouble Code: P1440



EVAP Canister System Small Leak (0.040") Detected:

Possible Causes:



Fuel filler cap loose, damaged or incorrect application
 
EVAP canister vent valve is damaged or contaminated
 
EVAP system leaks (in canister or related vapor lines)
 
EVAP control system vapor pressure sensor line is blocked
 
MAP/BARO switch solenoid valve is damaged or has failed
 
MAP/BARO switch solenoid vacuum line is blocked or bent
 
Fuel tank temperature sensor is damaged or has failed
 
Absolute pressure sensor is damaged or has failed
 

Trouble Code: P1441



Vacuum Cut Valve Bypass Valve Circuit Malfunction:

Possible Causes:



EVAP vacuum cut valve bypass valve circuit is open
 
EVAP vacuum cut valve bypass valve circuit shorted to ground
 
EVAP vacuum cut valve bypass valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P1443



Canister Control Vacuum Switch Circuit Malfunction:

Possible Causes:



EVAP canister control vacuum switch circuit is open
 
EVAP canister control vacuum switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P1444



Canister Purge Volume Control Valve Circuit Malfunction:

Possible Causes:



EVAP control system pressure sensor is damaged or has failed
 
EVAP purge volume control valve is stuck open
 
EVAP canister vent control valve is damaged or has failed
 
EVAP canister is damaged, or hoses are connected incorrectly
 

Trouble Code: P1446



EVAP Canister Vent Valve Closed Malfunction:

Possible Causes:



EVAP canister vent control valve is damaged or has failed
 
EVAP canister vent control valve rubber tube is blocked
 
EVAP control system pressure sensor is damaged or has failed
 
EVAP water separator is damaged or has failed
 
EVAP canister is saturated with water
 

Trouble Code: P1447



EVAP Control System Purge Flow Malfunction:

Possible Causes:



EVAP canister purge volume control valve stuck closed
 
EVAP canister purge control valve stuck closed
 
EVAP control pressure sensor is damaged or has failed
 
EVAP canister vent control valve is damaged or has failed
 
EVAP rubber tube is blocked, disconnected or bent
 
EVAP canister purge control solenoid is damaged or has failed
 
MAP/BARO switch solenoid vacuum line is blocked or bent
 
EVAP canister is leaking (it may be cracked)
 
EVAP 1-way valve connected improperly or purge port blocked
 

Trouble Code: P1448



EVAP Canister Vent Control Valve Malfunction (Open):

Possible Causes:



EVAP canister vent control valve is damaged or has failed
 
EVAP control pressure sensor is damaged or has failed
 
EVAP canister vent control valve rubber tube is blocked
 
EVAP water separator has failed or canister is full of water
 
EVAP vacuum cut valve is damaged or has failed
 
TSB 00-046 (7/00) contains information related to this code
 

Trouble Code: P1464



Fuel Level Sensor Ground Circuit Malfunction:

Possible Causes:



Fuel level sensor signal circuit is open or grounded
 
Fuel level sensor circuit is shorted to VREF
 
Fuel level sensor is damaged or has failed
 

Trouble Code: P1490



EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction:

Possible Causes:



EVAP vacuum cut valve bypass valve connector is damaged
 
EVAP vacuum cut valve bypass valve control circuit is open
 
EVAP vacuum cut valve bypass valve control circuit is shorted
 
EVAP vacuum cut valve bypass valve is damaged or has failed
 
PCM is damaged
 

Trouble Code: P1491



EVAP Vacuum Cut Valve/Bypass Range/Performance:

Possible Causes:



EVAP vacuum cut bypass valve is damaged or has failed
 
EVAP vacuum cut valve is damaged or has failed
 
EVAP control system pressure sensor damaged or has failed
 
Vapor hose between fuel tank and cut valve is blocked or bent
 
Vapor hose between canister and vacuum cut valve is plugged
 
EVAP canister is damaged or EVAP purge port at tank is dirty
 
TSB 02-015 (3/02) contains information that relates to this code
 

Trouble Code: P1492



EVAP Canister Purge Control Solenoid Circuit Malfunction:

Possible Causes:



EVAP canister purge control solenoid control circuit is open
 
EVAP canister purge control solenoid control circuit is shorted
 
EVAP canister purge control solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P1493



EVAP Canister Purge Control Solenoid Performance (Stuck Open):

Possible Causes:



EVAP canister purge control valve is damaged or has failed
 
EVAP canister purge control solenoid valve is damaged/failed
 
EVAP vacuum hoses are clogged or disconnected
 
EVAP canister vent control valve is damaged or has failed
 
EVAP canister is full of water, or the vapor separator has failed
 

Trouble Code: P1605



TCM A/T Diagnosis Communication Line Malfunction:

Possible Causes:



TCM communication line circuit is open or shorted to ground
 
TCM communication line circuit shorted to VREF or power (B+)
 
TCM or PCM has failed
 
TSB 01-002 (1/01) contains information related to this code
 

Trouble Code: P1610



NATS Initialization Failure:

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:

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:

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:

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:

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:

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:

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:

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 Overrun Clutch Solenoid Valve Circuit Malfunction:

Possible Causes:



Overrun clutch solenoid control circuit is open
 
Overrun clutch solenoid control circuit is shorted to ground
 
Overrun clutch solenoid is damaged or has failed
 
TCM has failed
 

Trouble Code: P0134



HO2S-11 (Bank 1 Sensor 1) Insufficient Activity Detected :

Possible Causes:



HO2S heater is damaged or has failed
 
HO2S signal circuit is open or shorted to ground
 
HO2S is damaged, has fuel contamination or has failed
 
TSB 02-024 (5/02) contains information related to this code
 

 
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