Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001MGFT
Model Year Start: 2020 Model: Camry Prod Date Range: [03/2020 -           ]
Title: GF1A (TRANSFER / 4WD / AWD): DYNAMIC TORQUE CONTROL AWD SYSTEM: TERMINALS OF ECU; 2020 - 2024 MY Camry [03/2020 -        ]

TERMINALS OF ECU

CHECK 4WD ECU ASSEMBLY

(a) Measure the voltage and resistance of the connector.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

K145-6 (CANH) - K145-5 (CANL)

P - W

HIGH-level CAN bus wire - LOW-level CAN bus wire

Cable disconnected from negative (-) battery terminal

54 to 69 Ω

K145-4 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

K145-3 (IG1) - K145-4 (GND)

SB - W-B

Power source voltage

Ignition switch ON

11 to 14 V

K145-2 (SLC+) - K145-1 (SLC-)

W - B

4WD linear solenoid signal

D position, engine idling

Pulse generation (See waveform 1)

If the result is not as specified, the 4WD ECU assembly may have a malfunction.

(b) Using an oscilloscope, check the waveform 1.

Waveform 1 (Reference)

Item

Content

Terminal No. (Symbol)

K145-2 (SLC+) - K145-1 (SLC-)

Tester Range

2 V/DIV., 1 msec./DIV.

Condition

D position, engine idling