Toyota Sienna Service Manual: Terminals of ECU
1. CLEARANCE WARNING ECU
*1: with Front Clearance Sonar
2. AIR CONDITIONER AMPLIFIER ASSEMBLY
*1: with Front Clearance Sonar
*2: Manual A/C
*3: Auto A/C
- Reference: waveform 1
HINT:
- Terminal: CBZ - E, BBZ - E, Z- - Body ground
- Gauge set: 2 V/DIV., 500 μs/DIV.
- Condition: When the clearance sonar is detecting an object.
- Reference: waveform 2
HINT:
- Terminal: S5 - E, S6 - E
- Gauge set: 2 V/DIV., 100 μs/DIV.
- Condition: When the back sonar is not detecting an object
- Reference: waveform 3
HINT:
- Terminal: S3 - E, S1 - E, S4 - E, S2 - E
- Gauge set: 2 V/DIV., 100 μs/DIV.
- Condition: When the clearance sonar is not detecting an object.
Problem symptoms table
HINT:
Before performing verification listed in the table below,
check the fuse and relay.
Check the circuits for each problem symptom in the order
given in the table below, and p ...
Adjustment
1. ADJUST BUZZER VOLUME
Turn the knob on the clearance warning ECU to
adjust the volume.
...
Other materials:
Trouble in Passenger Airbag ON / OFF Indicator
DESCRIPTION
The occupant classification system detects the front passenger seat
condition. It then informs a
passenger of the front passenger airbag, the front seat side airbag RH and front
seat belt pretensioner
RH condition (activated/not activated) by the passenger airbag ON/OFF indicator. ...
System Voltage
DTC P0560 System Voltage
MONITOR DESCRIPTION
The battery supplies electricity to the ECM even when the ignition switch is
off. This power allows the
ECM to store data such as DTC history, freeze frame data and fuel trim values.
If the battery voltage falls
below a minimum level, these memori ...
Illumination for Panel Switch does not Come on with Tail Switch ON
INSPECTION PROCEDURE
1 CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)
Enter the "Display Check" mode (Vehicle Signal Check Mode).
Check that the display changes between ON and OFF
according to the light control switch operation.
OK
HINT:
This display is updated once ...
