Toyota Sienna Service Manual: Terminals of ecu
Check tire pressure warning ecu
HINT: Inspect the connectors from the back side while the connectors are connected.
(a) Disconnect the tire pressure warning antenna and receiver connector.
(b) Measure the voltage according to the value(s) in the table below.
(c) Connect the tire pressure warning antenna and receiver connector.
(d) Measure the voltage and resistance according to the value(s) in the table below. If the result is not as specified, the ECU may have a malfunction.
(e) Using an oscilloscope, check the waveform 1.
(1) Waveform 1 (Reference)
(2) Waveform 2 (Reference)
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected Area"
column ...
Diagnosis system
1. CHECK BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before
proceeding.
2. CHECK DLC3
(a) The ECU uses the ISO 15765-4 for communication
pr ...
Other materials:
Camshaft Position "B" Actuator Circuit / Open
DTC P0013 Camshaft Position "B" Actuator Circuit / Open
(Bank 1)
DTC P0023 Camshaft Position "B" Actuator Circuit / Open
(Bank 2)
DESCRIPTION
The Variable Valve Timing (VVT) system includes the ECM, OCV and VVT
controller. The ECM sends a
target duty-cycle control signal ...
CD cannot be Ejected
INSPECTION PROCEDURE
1 PRESS "EJECT" AND CHECK OPERATION
Press the CD EJECT switch of the radio receiver for 2
seconds or more and check that the CD is ejected.
OK:
CD is ejected
2 REPLACE CD WITH ANOTHER AND RECHECK
Insert another CD and check if it is ejected.
OK:
CD ...
High Temperature
DTC 58-45 High Temperature
DTC 80-45 High Temperature
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
58-45
High map disc player temperature is detected (Over
80C).
Radio and navigation assembly
80-45
High map disc player tem ...
