DTC P007A-15: Charge Air Cooler Temperature Sensor Bank 1 Circuit Short to Battery or Open [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.

READ VALUE USING GTS (CHECK FOR OPEN IN WIRE HARNESS)

Disconnect the No. 1 turbo pressure sensor connector.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	No. 1 Turbo Pressure Sensor	*2	ECM
*a	Front view of wire harness connector (to No. 1 Turbo Pressure Sensor)	-	-

Connect terminals 4 (THIM) and 2 (E2) of the No. 1 turbo pressure sensor connector on the wire harness side.

According to the display on the GTS, read the Data List.

Powertrain > Engine > Data List

Tester Display
Intake Air Temperature B1S1 (Turbo)

Standard value

140°C (284°F)

Result

Proceed to
OK
NG

Result:

REPLACE NO. 1 TURBO PRESSURE SENSOR. Refer to PROCEDURE - Step 1

Result:

See step 2

CHECK HARNESS AND CONNECTOR (NO. 1 TURBO PRESSURE SENSOR - ECM)

Disconnect the No. 1 turbo pressure sensor connector.
Disconnect the ECM connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
B71-4 (THIM) - B49-82 (THIM)	Always	Below 1 Ω
B71-2 (E2) - B49-84 (EPIM)	Always	Below 1 Ω
B71-4 (THIM) or B49-82 (THIM) - Other terminals	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPLACE ECM. Refer to REMOVAL [11/2021 - ]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR