Toyota Sienna Service Manual: Heater relay

Magnetic clutch relay

ON-VEHICLE INSPECTION 1. INSPECT MAGNETIC CLUTCH RELAY (a) Remove the magnetic clutch relay. (b) Measure the resistance according to the value(s) in the table below. Standard resistance I ...

Heater relay (for rear air conditioning system)

ON-VEHICLE INSPECTION 1. INSPECT REAR HEATER RELAY (a) Remove the rear heater relay. (b) Measure the resistance according to the value(s) in the table below. Standard resistance If the re ...

Other materials:

Installation
1. INSTALL FOG LIGHT ASSEMBLY  Install the fog light assembly with the 2 claws and 2 pins. 2. INSTALL FRONT BUMPER ASSEMBLY 3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 4. VEHICLE PREPARATION FOR FOG LIGHT AIMING 5. PREPARATION FOR FOG LIGHT AIMING 6. FOG LIGHT AIMING INSPECT ...

Rear Occupant Classification Sensor LH Collision Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision Detection DESCRIPTION DTC B1787 is output when the occupant classification ECU receives a collision detection signal sent by the rear occupant classification sensor LH if an accident occurs. DTC B1787 is also output when the front s ...

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 ...