Lexus NX: Diagnosis System
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Theft Deterrent System / Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
Click here .gif)
INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the power switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery.
READ NEXT:
Engine Hood Courtesy Switch Circuit
DESCRIPTION The engine hood courtesy switch is installed together with the hood lock. This switch turns on when the engine hood is closed and turns off when the engine hood is opened. WIRING DIAGRAM
Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound a
Security Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the security horn t
SEE MORE:
Fuel Run Out (P3193)
DESCRIPTION The ECM receives the fuel empty low level (below approximately 8.4 L) signal from the combination meter assembly (meter ECU) to detect if the vehicle is running out of fuel. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory P3193 Fuel Run Out All
Operation Check
OPERATION CHECK CHECK BASIC FUNCTION (a) Operate the rear power seat switch, No. 1 fold seat switch assembly and No. 2 fold seat switch assembly and check that each switch function operates normally.
Reclining operation (rear power seat switch)
Fold operation (rear power seat switch, No. 1 fold
© 2016-2025 Copyright www.lexunx.com
