Toyota Sienna Service Manual: System diagram

Definition of terms

Terms Definitions Monitor Description Description of what ECM monitors and how to detect malfunctions (monitoring purpose and details). Related DTCs A gro ...

How to proceed with troubleshooting

HINT: The intelligent tester can be used in steps 2, 3, 4, 6 and 9. 1 VEHICLE BROUGHT TO WORKSHOP 2 CONNECT INTELLIGENT TESTER TO DLC3 HINT: If the display indicates a communication fault in th ...

Other materials:

Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION When the A/C amplifier is turned on, a magnetic clutch ON signal is sent from the MGC terminal of the A/ C amplifier. Then, the MG CLT relay turns on to operate the magnetic clutch. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK CAN COMMUNICATION SYSTEM (a) Use the intelligent t ...

Disassembly
1. REMOVE TRANSFER COVER GASKET (a) Remove the transfer gasket from the transfer assembly. 2. REMOVE TRANSFER CASE BREATHER PLUG (a) Using a screwdriver and a hammer, remove the transfer case breather plug from the No. 1 transfer case cover. NOTICE: Be careful not to damage the conta ...

GPS Mark is not Displayed
INSPECTION PROCEDURE 1 CHECK CABIN Check the cabin for any object that might interrupt radio reception on the instrument panel. If such an object exists, remove it and check if the GPS mark reappears. HINT: The GPS uses extremely faint radio waves originating from satellites. If the si ...