INSPECTION
PROCEDURE
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
Text in Illustration
|
*1 |
Component without harness connected (Engine Coolant Temperature Sensor) |
*2 |
Temperature °C (°F) |
|
*3 |
Resistance Ω |
*4 |
Acceptable |
(a) Partially immerse the sensor in water and warm up the water.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 - 2 |
20°C (68°F) |
2.32 to 2.59 kΩ |
|
1 - 2 |
80°C (176°F) |
0.310 to 0.326 kΩ |
NOTICE:
When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.
If the result is not as specified, replace the engine coolant temperature sensor.
Components
RemovalPrecaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System
See Procedure
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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 ...
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC No.
DTC Detection Condition
Trouble Area
B278A
Engine switch power source supply line is ope ...