Toyota Camry (XV70): Terminals Of Ecu
TERMINALS OF ECU
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
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(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
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(b) Reconnect the instrument panel junction block assembly connectors.
(c) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Terminal No. (Symbol) | Wiring Color |
Input/Output | Terminal Description |
Condition | Specified Condition |
Related Data List Item |
|---|---|---|---|---|---|---|
|
MB-11 (GND1) - Body ground |
- | - |
Ground | Always |
Below 1 ? | - |
|
MB-30 (ACC) - Body ground |
- | Input |
ACC power supply | Ignition switch ACC |
11 to 14 V |
ACC SW |
| Ignition switch off |
Below 1 V | |||||
|
MB-31 (BECU) - Body ground |
- | Input |
Battery power supply |
Always | 11 to 14 V |
- |
|
MB-32 (IG) - Body ground |
- | Input |
IG power supply | Ignition switch ON |
11 to 14 V |
IG SW |
| Ignition switch off |
Below 1 V |
(d) Install the main body ECU (multiplex network body ECU) to instrument panel junction block assembly.
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(e) Measure the voltage and check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) | Wiring Color |
Input/Output | Terminal Description |
Condition | Specified Condition |
Related Data List Item |
|---|---|---|---|---|---|---|
|
3C-29 (BZR) - Body ground |
L - Body ground |
Output | Wireless door lock buzzer output |
Active Test Wireless Buzzer is OFF |
Below 1 V |
- |
| Active Test Wireless Buzzer is ON |
Pulse generation | |||||
|
K53-11 (PRG) - Body ground |
B - Body ground | Output |
Output to door control and tire pressure monitoring system receiver assembly |
Key inserted into ignition key cylinder > Key pulled out of ignition key cylinder |
11 to 14 V > Pulse generation > 11 to 14 V |
- |
| K53-10 (RDA) - Body ground |
R - Body ground | Input |
Input from door control and tire pressure monitoring system receiver assembly | Procedure:
| 11 to 14 V > Pulse generation |
- |
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Diagnosis System
DIAGNOSIS SYSTEM SELF-DIAGNOSTIC MODE (USING TECHSTREAM)
(a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON.
(c) Turn the Techstream on. (d) Enter the following menus: Body E
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT:
Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. T
Only Wireless Control Function is Inoperative
DESCRIPTION The door control and tire pressure monitoring system receiver assembly receives signals from the door control transmitter module set sub-assembly and sends these signals to the main body E
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Disposal
DISPOSAL PROCEDURE 1. DISPOSE OF FRONT SHOCK ABSORBER ASSEMBLY
CAUTION:
Always use a cloth to prevent shards of metal flying about due to the release of pressurized gas.
Always wear safety glasses.
HINT: The gas is colorless, odorless and non-poisonous.
(a) Place the front shoc
Inspection
INSPECTION PROCEDURE 1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR)
(a) Connect a positive (+) battery lead to connector terminal 2.
NOTICE: Do not connect a positive (+) battery lead to any terminals other than terminal 2 to avoid damaging the pulse sensor inside the
