Toyota Sienna Service Manual: Rear Door ECU LH Communication Stop

Toyota Sienna Service Manual / Multiplex communication / System description / Diagnostic trouble code chart / Rear Door ECU LH Communication Stop

DTC B1217 Rear Door ECU LH Communication Stop

DESCRIPTION

DTC B1217 is output when communication between the power slide door ECU LH and the multiplex network gateway ECU stops for more than 10 seconds.

DTC No.	DTC Detection Condition	Trouble Area
B1217	RL-DOOR ECU communication stops	Power slide door ECU LH Wire harness

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - BATTERY)

CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - BATTERY)

Disconnect the P25 and P26 ECU connectors.
Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

2 CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - GROUND)

CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - GROUND)

Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

3 CHECK COMMUNICATION LINE

CHECK COMMUNICATION LINE

Disconnect the G4 ECU connector.
Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

Result

Result

REPLACE POWER SLIDE DOOR ECU LH

Rear Door ECU RH Communication Stop

DTC B1216 Rear Door ECU RH Communication Stop DESCRIPTION DTC B1216 is output when communication between the power slide door ECU RH and the multiplex network gateway ECU stops for more than 10 s ...

A/C ECU Communication Stop

DTC B1262 A/C ECU Communication Stop DESCRIPTION DTC B1262 is output when communication between the A/C amplifier and the multiplex network gateway ECU stops for more than 10 seconds. ...

Other materials:

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 ope ...

VIN not Programmed or Mismatch - ECM / PCM
DTC P0630 VIN not Programmed or Mismatch - ECM / PCM DESCRIPTION DTC P0630 is set when the Vehicle Identification Number (VIN) is not stored in the Engine Control Module (ECM) or the input VIN is not accurate. Input the VIN with the intelligent tester. MONITOR STRATEGY TYPICAL ENABL ...

Vehicle Speed Signal Error (Test Mode DTC)
DTC C2191/91 Vehicle Speed Signal Error (Test Mode DTC) DESCRIPTION The tire pressure warning ECU receives a speed signal from the combination meter. This DTC is stored upon entering test mode, and cleared when a vehicle speed signal of 12 mph (20 km/h) is detected for 3 seconds or more. Thi ...