Toyota Sienna Service Manual: Terminals of ECM

Problem symptoms table

HINT:  Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. CHECK DLC3 The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: ...

Other materials:

Abnormal Temperature Inside ID1 Tire
DESCRIPTION Each tire pressure warning valve and transmitter measures the internal temperature of its tire as well as tire pressure, and transmits the information to the tire pressure warning ECU along with the transmitter ID. If the measured temperature is out of the specified range, t ...

Reassembly
1. INSTALL INPUT SHAFT OIL SEAL RING (a) Compress a new input shaft oil seal ring from both sides to reduce dimension A. Dimension A: 5 mm (0.197 in.) (b) Coat the oil seal ring with ATF and install it to the input shaft. NOTICE: Do not expand the end gap of the oil seal ring too much. ...

Transmission Range Sensor Circuit Malfunction (PRNDL Input)
DESCRIPTION The park/neutral position switch detects the shift lever position and sends signals to the ECM. HINT: After confirming DTC P0705, use the intelligent tester to confirm the PNP switch signal in the ALL menu (to reach the ALL menu: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ...