RM38T0EC
_53
Suspension
_113127
TIRE PRESSURE MONITORING
_0503457
TIRE PRESSURE WARNING SYSTEM
U
TIRE PRESSURE MONITORING TIRE PRESSURE WARNING SYSTEM TERMINALS OF ECU
CHECK TIRE PRESSURE WARNING ECU AND RECEIVER
1.823,0.656 2.24,0.906
0.417,0.25
1.771,1.063 2.25,1.365
0.479,0.302
1.896,0.698 2.302,0.948
0.406,0.25
10
false
O18
0.156,0.135 0.469,0.333
0.313,0.198
10
false
*a
1.854,1.125 2.292,1.406
0.438,0.281
10
false
O124
2.344,0.698 2.656,0.896
0.313,0.198
12
false
*A
2.354,1.094 2.667,1.292
0.313,0.198
12
false
*B
| *A | w/ Smart Entry and Start System | *B | w/o Smart Entry and Start System |
| *a | Front view of wire harness connector
(to Tire Pressure Warning ECU and Receiver) |
- | - |
a.
Disconnect the O18*1 or O124*2 tire pressure warning ECU and receiver connector and measure the voltage or resistance on the wire harness side.
*1: w/ Smart Entry and Start System
*2: w/o Smart Entry and Start System
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| O18-1 (IGR) - O18-12 (GND) | IG power source | Ignition switch ON | 10 to 16 V |
| O18-7 (+B) - O18-12 (GND) | Power supply (from auxiliary battery) | Always | 10 to 16 V |
| O18-9 (CANH) - O18-10 (CANL) | CAN communication line | Ignition switch off | 54 to 69 Ω |
| O18-12 (GND) - Body ground | Ground | Always | Below 1 Ω |
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| O124-1 (IGR) - O124-12 (GND) | IG power source | Ignition switch ON | 10 to 16 V |
| O124-7 (+B) - O124-12 (GND) | Power supply (from auxiliary battery) | Always | 10 to 16 V |
| O124-9 (CANH) - O124-10 (CANL) | CAN communication line | Ignition switch off | 54 to 69 Ω |
| O124-12 (GND) - Body ground | Ground | Always | Below 1 Ω |