PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream to troubleshoot the engine immobiliser system:
Connect the Techstream to the DLC3 while the ignition switch is off, and ...
Related Tacoma materials
Open in Pump Motor Circuit (C1251)
DESCRIPTION
The motor relay (semiconductor relay) is built into the master cylinder solenoid
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1251
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
checking the ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
engine immobiliser system functions. Engine immobiliser system data and Diagnostic
Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a ...
Precaution