Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
Models without automatic drive positioner
ECM
Harness connector E30
Harness connector M1
Models with automatic drive positioner
ECM
Harness connector E29
Harness connector B10
2.CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of ECM.
Check the resistance between the ECM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-157, "Diagnosis Procedure".
Is the inspection result normal?
Main line between A-bag and ABS circuit
ADP branch line circuitB2604 transmission range switch
Description
BCM confirms the shift position with the following 4
signals.
CVT selector lever
Transmission range switch
P position signal from IPDM E/R (CAN)
P position signal from TCM (CAN)
DTC Logic
DTC DETECTION LOGIC
NOTE:
I ...
B2605 transmission range switch
Description
BCM confirms the shift position with the following 4
signals.
CVT selector lever
Transmission range switch
P position signal from IPDM E/R (CAN)
P position signal from TCM (CAN)
DTC Logic
DTC DETECTION LOGIC
NOTE:
I ...
P1225 TP sensor
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has two sensors. These sensors are a
kind of potentiometer which transfor ...