DTC P1A31[04] Transfer Motor Actuator Unit System Malfunction (4WD models)

1. TCCM schematic circuit diagram

2. TCCM outline view and connector pin layout

Terminal No.
Signal name
1
Ignition voltage
2
Battery voltage
3
-
4
CAN2 High
5
-
6
CAN1 Low
7
-
8
2-4 switch
9
-
10
Axle switch
11
-
12
Shift-on-the-fly actuator drive signal A
13
-
14
Ground
15
Ground
16
CAN2 Low
17
-
18
CAN1 High
19
-
20
4WD switch signal 4H
21
-
22
Transfer neutral switch
23
-
24
4WD switch signal 2H
25
-
26
Shift-on-the-fly actuator drive signal B