Toyota Sienna Service Manual: Test mode procedure

Check that initialization has been completed

(a) Confirm that the data of tire pressure of all tires are displayed on the intelligent tester screen. Tester Display Measurement Item/Range Normal Condition Diagnostic Note ...

Enter test mode

HINT: Operation of the tire pressure warning reset switch can be checked in TEST MODE. During TEST MODE, the system is not initialized by pushing the tire pressure warning reset switch. The ...

Other materials:

Disassembly
1. REMOVE FRONT DIFFERENTIAL RING GEAR (a) Place the match-marks on the ring gear and differential case. (b) Remove the 16 bolts. (c) Using a plastic hammer, tap ring gear to remove it from the case. 2. REMOVE FRONT DIFFERENTIAL SIDE GEAR (a) Remove the differential LH case fr ...

Communication Error from VSC to ECM
DTC P1630 Communication Error from VSC to ECM DTC U0122 Lost Communication with Vehicle Dynamics Control Module DESCRIPTION The skid control ECU sends signals such as cruise control cancel demand signals and brake operation demand (from ECM) response signals to the ECM when the dynamic laser ...

Communication Error from ECM to VSC
DTC P1631 Communication Error from ECM to VSC DTC U0100 Lost Communication with ECM/PCM "A" DESCRIPTION The ECM sends signals such as A/T information signals, dynamic laser cruise control operation signals, brake operation demand signals, and buzzer operation demand signals to the sk ...