DTC P007A-15: Charge Air Cooler Temperature Sensor Bank 1 Circuit Short to Battery or Open [09/2022 - ]: Procedure

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READ VALUE USING TECHSTREAM (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.
Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.

Enter the following menus: Powertrain / Engine / Data List / Intake Air Temperature B1S1 (Turbo).

Powertrain > Engine > Data List

Tester Display
Intake Air Temperature B1S1 (Turbo)

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

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
F100-4 (THIM) - F78-107 (THIM)	Always	Below 1 Ω
F100-2 (E2) - F78-137 (EPIM)	Always	Below 1 Ω
F100-4 (THIM) or F78-107 (THIM) - Other terminals	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPLACE ECM. Refer to REMOVAL [08/2015 - ]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR