DTC Detection Logic

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Logic (U1000) or DTC Logic (U1010).
Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient. When performing the diagnosis indoors, light the sunload sensor with a lamp (60W or more).

DTC

Items

(CONSULT screen terms)

Diagnostic item is detected when...

Possible cause

B2630

SUNLOAD SEN (SHORT)

Detected calorie at sunload sensor 1395 w/m² (1200 kcal/m² .h) or more

Sunload sensor
A/C auto amp.
Harness and connector
(Sunload sensor circuit is open, or there is a short in the circuit)

B2631

SUNLOAD SEN (OPEN)

Detected calorie at sunload sensor 0 w/m² (0 kcal/m² .h)