Nissan Rogue (T33) 2021-Present Service Manual: B24a0-49 A/c Auto Amp.
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| B24A0-49 |
A/C AUTO AMP. (Air conditioning automatic amplifier) |
Diagnosis condition | Ignition switch ON |
| Signal (Terminal) | — | ||
| Threshold | A malfunction is detected in A/C amp. internal EEPROM memory functions. | ||
| Diagnosis delay time | 2 second or more | ||
POSSIBLE CAUSE
A/C amp.
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
PERFORM SELF DIAGNOSIS
CONSULT
-
Ignition switch ON.
-
Select "Self diagnosis result" mode of "HVAC".
-
Check DTC.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
Diagnosis Procedure
REPLACE A/C AMP.
Replace A/C amp. Refer to Removal and Installation.
>>
Inspection End.
Other materials:
P2239 Ho2s2
DTC Description
To judge malfunctions, the diagnosis checks that the A/F signal
computed by ECM from the A/F sensor 1 signal fluctuates according to
fuel feedback control.DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2239
00
...
Exit Assist Function
System Description
SYSTEM DIAGRAMSeveral types of signals are transmitted from the following units to the driver seat control unit via CAN communication.INPUT SIGNAL AND OUTPUT SIGNAL Component Signal
ABS actuator and electric unit (control unit)
Nissan Ariya Vehicle speed signal
BCM
...
Ignition Coil with Power Transistor
Component Inspection
CHECK IGNITION COIL WITH POWER TRANSISTOR-1
Turn ignition switch OFF.
Disconnect ignition coil harness connector.
Check resistance between ignition coil terminals as per the following.
Ignition coil
Condition
Resistance
+
−
Terminal
1 ...