LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Nissan-Datsun
>>
2004
>>
Frontier Base, Automatic
>>
Repair and Diagnosis (Single Page)
>>
Accessories & Equipment
>>
Anti-Theft Systems
>>
Power Door Lock System & Vehicle Security System
>>
Power Door Lock System
>>
Trouble Diagnoses
>>
Key Switch (Inserted) Check
>>
1. Check Key Switch Input Signal
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
1. Check Key Switch Input Signal
Check voltage between smart entrance control unit harness connector M111 terminal 25 (W/G) and ground.
Fig 1: Checking Key Switch Input Signal
Courtesy of NISSAN MOTOR CO., U.S.A.
Refer to
WIRING DIAGRAM - D/LOCK
.
OK or NG
OK: Key switch is OK.
NG: GO TO
2
.