Toyota Sienna Service Manual: Magnetic clutch relay

Air conditioning pressure sensor

ON-VEHICLE INSPECTION 1. INSPECT A/C PRESSURE SENSOR (a) Install the manifold gauge set. (b) Disconnect the connector from the A/C pressure sensor. (c) Connect the three 1.5 V dry cell ba ...

Heater relay

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

Other materials:

Reassembly
1. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY (a) Install the heater radiator unit sub-assembly to the air conditioning blower assembly. (b) Install the 2 O-rings to the heater water valve assembly. (c) Install the 3 screws and the heater water valve assembly. (d) Install the 2 s ...

Initialization not Completed
DTC C2177/77 Initialization not Completed DESCRIPTION Initialization is necessary after replacing any of the ECUs, tires with different tire pressure, or tire pressure warning valve and transmitter, after rotating the tires or when a new vehicle is delivered. WIRING DIAGRAM INSPECTI ...

Starter Relay Circuit High
MONITOR DESCRIPTION While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The ECM then il ...