Toyota Sienna Service Manual: Data list / active test
1. READ DATA LIST
HINT: Using the DATA LIST displayed on the intelligent tester, you can read the value of the switch, sensor, actuator, etc. without parts removal. Reading the DATA LIST as the first step in troubleshooting is one way to shorten the labor time.
- Connect the intelligent tester (with CAN VIM) to the DLC3.
- Turn the ignition switch on.
- Turn the tester ON.
- Enter the following menus: DIAGNOSIS / OBD/ MOBD / IMMOBILISER / DATA LIST.
- Check the values by referring to the table below.
Transponder key ECU:
2. PERFORM ACTIVE TEST
HINT: Performing the ACTIVE TEST using the intelligent tester allows the relay, VSV, actuator, etc. to operate without removing any parts . Performing the ACTIVE TEST as the first step of troubleshooting is one way to shorten labor time.
- Connect the intelligent tester (with CAN VIM) to the DLC3.
- Turn the ignition switch on.
- Turn the tester ON.
- Enter the following menus: DIAGNOSIS / OBD/ MOBD / IMMOBILISER / ACTIVE TEST.
Transponder key ECU:
DTC check / clear
1. CHECK DTC
Connect the intelligent tester to the Controller Area
Network Vehicle Interface Module (CAN VIM). Then
connect the CAN VIM to the DLC3.
Turn the ignition switch ...
Diagnostic trouble code chart
If a trouble code is displayed during the DTC check, check
the circuit listed for that code. For details of each code, turn
the page mentioned below the "DTC No" in the DTC chart.
the & ...
Other materials:
Road test
1. PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem
analysis, try to reproduce the symptoms. If the
problem is that the transaxle does not shift up, shift
down, or the shift point is too high or too low,
conduct the following road test referring to the
automatic shi ...
ACC Power Source Circuit
DESCRIPTION
This circuit supplies power to the A/C amplifier and the illumination for the
clock.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU ACC)
(a) Remove the ECU ACC fuse from the engine room relay
block.
(b) Measure the resistance according to the value(s) in the
tab ...
Sleep Operation Failure of Occupant Classification
ECU
DTC B1796 Sleep Operation Failure of Occupant Classification
ECU
DESCRIPTION
During sleep mode, the occupant classification ECU reads the condition of
each sensor while the ignition
switch is off.
In this mode, if the occupant classification ECU detects an internal
malfunction, DTC B1796 ...
