Toyota Tacoma (2015-2018) Service Manual: ECU Malfunction (B1003)
DESCRIPTION
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1003 |
A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. |
Central gateway ECU (network gateway ECU) |
PROCEDURE
|
1. |
CHECK DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes.
OK:
DTC B1003 is not output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines),
a fail-safe function(s) will operate. The fail-safe function that is specified ...
Clearance Warning ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Clearance Warning ECU Communication Stop Mode
Either Condition is met:
Commu ...
Other materials:
Terminals Of Ecu
TERMINALS OF ECU
1. BLIND SPOT MONITOR SENSOR LH (MASTER)
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
B12-3 (BIND) - B12-10 (BLGD)
Y - W-B
Blind spot monitor ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)
(See page )
2. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY
(a) Loosen the 2 union nuts and remove the No. 2 fuel pipe sub-assembly from
the fuel delivery pipe RH and fuel delivery pipe sub-assembly LH.
Text in Illustration
...
Front Occupant Classification Sensor RH Circuit Malfunction (B1781)
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
detection ECU and the front occupant classification sensor RH.
DTC B1781 is set when a malfunction is detected in the front occupant classification
sensor RH circuit.
DTC No.
DTC Det ...
