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:
Only Wireless Door Lock Control Function does not Operate
DESCRIPTION
The door control receiver receives a signal from the transmitter and sends
this signal to the multiplex
network body ECU. Then, the multiplex network body ECU controls operation of the
door locks and power
windows.
Then, the power slide door ECU causes the power slide door to o ...
Disassembly
1. HOLD VANE PUMP ASSEMBLY
(a) Using SST, hold the vane pump assembly in a vise.
SST 09630-00014 (09631-00132)
2. REMOVE POWER STEERING SUCTION PORT UNION
(a) Remove the bolt and the power steering suction port
union from the vane pump front housing.
(b) Using a screwdriver, remove ...
Removal
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE LH
3. REMOVE COWL SIDE TRIM BOARD LH
4. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY
LOWER LH (See page IP-6)
5. REMOVE REAR DOOR SCUFF PLATE RH
6. REMOVE REAR DOOR SCUFF PLATE LH
7. REMOVE FRONT SEAT ASSEMBLY LH
HI ...