Toyota Sienna Service Manual: On-vehicle cleaning

Toyota Sienna Service Manual / Engine / 2Gr-fe cooling / Radiator / On-vehicle cleaning

1. INSPECT RADIATOR ASSEMBLY

(a) Check that the radiator and condenser are not blocked with leaves, dirt, or insects. Clean the hose connections.

If the fins are blocked, wash them with water or a steam cleaner.

INSPECT RADIATOR ASSEMBLY

NOTICE:

If the distance between the steam cleaner and core is too close, the fins may be damaged.
Keep the following injection distance.

Standard injection distance
If the fins are bent, straighten them with a screwdriver or pliers.
Never apply water directly onto the electronic components.

(b) Dry the fins with compressed air.

On-vehicle inspection

1. CHECK RADIATOR RESERVOIR CAP SUBASSEMBLY a) Measure the valve opening pressure. (1) If there are water stains or foreign matter on rubber packings 1, 2 or 3, clean the part(s) with water ...

Removal

1. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 2. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 3. DRAIN ENGINE COOLANT (See page CO-6) 4. REMOVE NO. 2 AIR CLEANER INLET (See page EM- 2 ...

Other materials:

Disassembly
1. Remove park/neutral position switch assembly (A) remove the nut, washer and control shaft lever. (B) using a screwdriver, unstake the nut stopper, and remove the lock nut and nut stopper. (c) Remove the 2 bolts and pull out the park/neutral position switch. 2. REMOVE BREATHER PLUG H ...

Rear Occupant Classification Sensor RH Circuit Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The rear occupant classification sensor RH circuit consists of the occupant classification ECU and the rear occupant classification sensor RH. DTC B1783 is recorded when a malfunction is detected in the rear oc ...

Diagnosis system
1. CHECK DLC3 The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not ...