Toyota Sienna Service Manual: How to proceed with troubleshooting

Check and replace ecu

NOTICE: • The connector should not be disconnected from the ECU. Perform the inspection from the backside of the connector on the wire harness side. • When no measuring condition is s ...

Operation flow

HINT: Perform troubleshooting in accordance with the procedures below. The following is an outline of basic troubleshooting procedures. Confirm the troubleshooting procedures for the circuit you a ...

Other materials:

Adjustment
CAUTION:  Do not stare at the luminous portion of the laser during adjustment. The intensity of the laser light is low, but it may result in loss of sight.  If operation is not carried out as specified, there may be a risk that you are exposed to hazardous radiation. HINT: ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE FRONT DOOR SCUFF PLATE LH 3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH 4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH (See page IP-6) 5. REMOVE TIRE PRESSURE WARNING RESET SWITCH (a) Disengage the 2 claws and remove t ...

Inspection
1. INSPECT CRANKSHAFT POSITION SENSOR  Using an ohmmeter, measure the resistance between the terminals. Standard resistance NOTICE:  "Cold" and "Hot" mean the temperature of the coils themselves. "Cold" is from -10C (14F) to 50C (122F ...