Toyota Sienna Service Manual: Precaution
1. Check that the battery cables are connected to the correct terminals.
2. Disconnect the battery cables when the battery is given a quick charge.
3. Do not perform tests with a high voltage insulation resistance tester.
4. Never disconnect the battery cables while the engine is running.
5. Check that the charging cable nut is tightened on terminal b of the generator and the engine room r/b.
Parts location
SYSTEM DIAGRAM
PROBLEM SYMPTOMS TABLE
Charging system
...
On-vehicle inspection
1. Check battery electrolyte level
(a) Check the electrolyte level.
(1) If the electrolyte level is low, replace the battery
(or add distilled water) and check the charging
system.
2. CHECK BAT ...
Other materials:
How to proceed with troubleshooting
The intelligent tester can be used at steps 3, 7, 10, and 13.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble.
3 DTC CHECK/CLEAR AND FREEZE FRAME DATA
4 PROBLEM SYMPTOM CONFIRMATION
5 PROBLEM SYMPTOM SIMULATION
6 SYMPTOM SI ...
Tachometer Malfunction
DESCRIPTION
The meter CPU receives the engine revolution signal from the ECM via the
direct lines. The meter CPU
displays engine revolution data that is calculated based on the data received
from the ECM.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
...
Transmitter ID not Registered
DTC C2171/71 Transmitter ID not Registered
DESCRIPTION
The IDs of each tire pressure warning valve and transmitters are registered
to the tire pressure warning
ECU.
When the IDs have never been registered, a DTC is output.
INSPECTION PROCEDURE
NOTICE:
When replacing the tire pressu ...
