DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P2122 | APP SEN 1/CIRC (Throttle/Pedal position sensor/switch “D” circuit low) | An excessively low voltage from the APP sensor 1 is sent to ECM. |
|
P2123 | APP SEN 1/CIRC (Throttle/Pedal position sensor/switch “D” circuit high) | An excessively high voltage from the APP sensor 1 is sent to ECM. |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected? YES >> Proceed to EC-432, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK APP SENSOR 1 POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK APP SENSOR 1 GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK APP SENSOR 1 INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK APP SENSOR
Check APP sensor. Refer to EC-433, "Component Inspection (APP Sensor)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation".
Component Inspection (APP Sensor)
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation".
Horn
To sound the horn, push near the horn icon on the
steering wheel.
WARNINGDo not disassemble the horn. Doing so
could affect proper operation of the
supplemental front air bag system. Tampering
with the supplemental front air bag
system may result in serious personal
injury. ...
Diagnosis system [abs actuator and electric unit (control
unit)]
CONSULT Function (ABS)
FUNCTION
CONSULT can display each diagnostic item using the following
direct diagnostic modes.
Direct Diagnostic Mode
Description
ECU identification
The ABS actuator and electric unit (control unit) part number is
displayed.
Self Diagnos ...
Cluster lid A
Removal and Installation
REMOVAL
Release cluster lid A clips and pawls using a suitable tool.
: Pawl
Metal clip
Remove cluster lid A.
INSTALLATION
Installation is in the reverse order of removal. ...