Nissan Maxima Service and Repair Manual: Key cylinder switch
Description
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT. Refer to BCS-19, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-136, "Wiring Diagram".
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
-
Turn ignition switch ON.
-
Check voltage between main power window and door lock/ unlock switch harness connector D7 terminal 4, 6 and ground.
2.CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
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Turn ignition switch OFF.
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Disconnect main power window and door lock/unlock switch connector and front door lock assembly LH connector.
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Check continuity between main power window and door lock/ unlock switch harness connector D7 (A) terminal 4, 6 and front door lock assembly LH harness connector D10 (B) 5, 6.
4. Check continuity between main power window and door lock/ unlock switch harness connector D7 (A) 4, 6 and ground.
3.CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly LH harness connector D10 terminal 4 and ground.
4.CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to SEC-86, "Component Inspection".
Component Inspection
COMPONENT INSPECTION
1.CHECK DOOR KEY CYLINDER SWITCH
Check front door lock assembly LH.
Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure. Refer to PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement" and PWC-7, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
GO TO 2
2. CHECK ANTI-PINCH OPERATION
Check anti-pinch operation. Refer to PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement" and PWC-7, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
End.
Key slot illumination
Description
Blinks when Intelligent Key insertion is required.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check key slot illumination ("KEY SLOT ILLUMI") Active
Test mode.
Diagnos ...
Horn
Description
Horn (high/low) is located inside of front bumper and
operates when theft warning system is in alarm phase.
Component Function Check
1.CHECK FUNCTION
Select HORN in "ACTI ...
Other materials:
C1729 vehicle speed signal
Description
The vehicle speed signal is not being detected by the BCM.
DTC Logic
NOTE: The Signal Tech II Tool (J-50190) can be used
to perform the following functions. Refer to the Signal Tech II User Guide
for additional information.
Activate and display TPMS transmitter IDs
&nb ...
A/C switch assembly signal circuit
Diagnosis Procedure
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
Check if any DTC No. is displayed in the self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000
or U1010.
...
Trouble diagnosis
Condition of Error Detection
DTC (e.g. U1000 and U1001) of CAN communication is indicated on SELF-DIAG
RESULTS on CONSULT if a
CAN communication signal is not transmitted or received between units for 2
seconds or more.
CAN COMMUNICATION SYSTEM ERROR
CAN communication line open (CAN-H, ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
0.0095