Toyota RAV4 manuals

Toyota Sienna Service Manual: How to troubleshoot ecu controlled systems

Toyota Sienna Service Manual / Introduction / How to troubleshoot ecu controlled systems

Vehicle lift and support locations
1. NOTICE ABOUT VEHICLE CONDITION WHEN JACKING UP VEHICLE (a) The vehicle must be unloaded before jacking up/ lifting up the vehicle. Never jack up/lift up a heavily loaded vehicle. (b) When re ...

General information
A large number of ECU controlled systems are used in the SIENNA. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoo ...

Other materials:

Inspection procedure
1 BASIC INSPECTION Check the conditions necessary for the power slide door to open:  Power slide door main switch is in the ON position (switch free: orange paint on the top of the switch appears). Slide door is unlocked (door lock position switch is in the ON position when ...

Wireless Door Lock Tuner Circuit Malfunction
DTC B1242 Wireless Door Lock Tuner Circuit Malfunction DESCRIPTION When a RDA signal is not input to the door control receiver within 1 second after the multiplex network body ECU outputs a PRG signal, this DTC is set. DTC No. DTC Detection Condition Suspected Area ...

Scratched / Reversed Disc
DTC 62-46 Scratched / Reversed Disc DTC 63-46 Scratched / Reversed Disc DESCRIPTION DTC No. DTC Detecting Condition Trouble Area 62-46 Scratches or dirt is found on CD surface or CD is set upside down. CD Radio receiver ...

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