Lexus NX: Front Airbag Sensor (RH) (B1610)
DESCRIPTION
The front airbag sensor RH consists of a diagnostic circuit and frontal deceleration sensor, etc.
If the airbag ECU assembly receives signals from the frontal deceleration sensor, it determines whether the SRS should be activated.
DTC B1610 is stored when a malfunction is detected in the front airbag sensor RH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1610 | Front Airbag Sensor (RH) | Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
Click here
.gif)
-
When disconnecting and reconnecting the auxiliary battery
Click here
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
-
After replacing the airbag ECU assembly, refer to initialization.
Click here
PROCEDURE
| 1. | CHECK FRONT AIRBAG SENSOR RH |
| (a) Turn the power switch off. |
|
(b) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 90 seconds.
(c) Interchange the front airbag sensor RH with LH and connect the connectors to them.
(d) Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.
(e) Turn the power switch on (IG), and wait for at least 60 seconds.
(f) Clear the DTCs stored in memory.
Click here
(g) Turn the power switch off.
(h) Turn the power switch on (IG), and wait for at least 60 seconds.
(i) Check for DTCs.
Click here
HINT:
Codes other than DTC B16103 and B1615 may be output at this time, but they are not related to this check.
(j) Turn the power switch off.
(k) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 90 seconds.
(l) Return the front airbag sensor LH and RH to their original positions and connect the connectors to them.
| DTC B1610 is output | .gif) | REPLACE AIRBAG ECU ASSEMBLY |
| DTC B1615 is output | | REPLACE FRONT AIRBAG SENSOR RH |
| DTC B1610 and B1615 are not output | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
Front Airbag Sensor Lost Communication (RH) (B1612,B1613)
DESCRIPTION The front airbag sensor RH circuit consists of the airbag ECU assembly and front airbag sensor RH. The front airbag sensor RH detects impacts to the vehicle and sends signals to the airbag
Front Airbag Sensor (LH) (B1615)
DESCRIPTION The front airbag sensor LH consists of a diagnostic circuit and frontal deceleration sensor, etc. If the airbag ECU assembly receives signals from the frontal deceleration sensor, it deter
Front Airbag Sensor Lost Communication (LH) (B1617,B1618)
DESCRIPTION The front airbag sensor LH circuit consists of the airbag ECU assembly and front airbag sensor LH. The front airbag sensor LH detects impacts to the vehicle and sends signals to the airbag
SEE MORE:
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch condition, refrigerant pressure, hybrid coolant temperature, engine speed and vehicle speed, and sends the signals to the cooling fan ECU to regulate the cooling fans. The
Parts Location
PARTS LOCATION ILLUSTRATION *1 COMBINATION METER ASSEMBLY *2 CLIMATE CONTROL SWITCH (for Driver Side) *3 CLIMATE CONTROL SWITCH (for Front Passenger Side) *4 AIR CONDITIONING CONTROL ASSEMBLY *5 AIR CONDITIONING AMPLIFIER ASSEMBLY *6 DLC3 *7 INSTRUMENT PANEL JUNCT
