Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Terminals of ECU

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK DISTANCE CONTROL ECU

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK LASER SENSOR

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. DIAGNOSIS FUNCTION The diagnosis function makes the light and the multi-information display come on, and the CRUISE main indicator light blink as shown in the illustration. When ...

Other materials:

Reassembly
1. INSTALL FRONT AXLE HUB LH BEARING (a) Using SST(s) and a press, install a new front axle hub LH bearing to the steering knuckle LH. SST 09950-60020 (09951-00810), 09950-70010 (09951-07100) 2. INSTALL DISC BRAKE DUST COVER FRONT LH (a) Place the disc brake dust cover front LH and using ...

Removal
CAUTION: Wear safety gloves, because the sharp surfaces of the seatback frame and seat adjuster may injure your hand. Work must be started more than 90 seconds after the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from ...

Ignition Coil Primary / Secondary Circuit
DTC P0351 Ignition Coil "A" Primary / Secondary Circuit DTC P0352 Ignition Coil "B" Primary / Secondary Circuit DTC P0353 Ignition Coil "C" Primary / Secondary Circuit DTC P0354 Ignition Coil "D" Primary / Secondary Circuit DTC P0355 Ignition Coil "E& ...