Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collisions...
Other information:
DTC Description
DTC DETECTION LOGIC
Voltage sent to ECM from the sensor is not practical, even when some time has passed after starting the engine.
Engine coolant temperature is insufficient for closed loop fuel control.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0125
ECT SENSOR
(Insufficient coolant temperature for closed loop fuel control)
1
Diagnosis condition
—
Signal (terminal)
Voltage signal transmitted from engine coolant temperature sensor to ECM
Threshold
Voltage sent to ECM from the sensor is not practical, even when some time has passed after starting the engine
Diagnosis delay time
—
2
Diagnosis condition
—
Signal (terminal)
Voltage signal transmitted from engine coolant temperature sensor to ECM
Threshold
Engine coolant temperature is insufficient for closed loop fuel control
Diagnosis delay time
—
POSSIBLE CAUSE
Harness and connectors (High resistance in the circuit)
Engine coolant temperature sensor
Thermostat
FAIL-SAFENot applicable
DTC Confirmation Procedure
CHECK DTC PRIORITY
If DTC P00125 is displayed with DTC P0116, P0117 or P0118, first perform the trouble diagnosis for DTC P0116, P0117 or P0118...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B1309–11
System ON
(Amplifier ON circuit)
[GND–SHOR]
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
AMP ON (terminal 1)
Threshold
–
Diagnosis delay time
30 seconds or more
B1309–12
[VB–SHOR]
Diagnosis condition
When ignition switch is ON...