Back-up Power Source Circuit
ComponentsTheft Deterrent System Presence Detection (B279C)
DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed,
the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
B279C
An ECM that is incompatible ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLING FAN MOTOR
(a) Check that the motor operates smoothly when the battery is connected
to the cooling fan motor connector.
Text in Illustration
*1
Componen ...
Engine Coolant Temperature Circuit Malfunction (P0115,P0117,P0118)
DESCRIPTION
A thermistor, whose resistance value varies according to the engine coolant temperature,
is built into the engine coolant temperature sensor.
The structure of the sensor and its connection to the ECM are similar to those
of the intake air tem ...