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 circuitP1211 TCS control unit
Description
The malfunction information related to TCS is transferred via the CAN
communication line from "ABS actuator
and electric unit (control unit)" to ECM.
Be sure to erase the malfunction information such as DTC not only for "ABS
actuator and electric unit
(control unit)" but also ...
Cooling and/or dehumidified heating
(AUTO)
This mode may be used all year round as the
system automatically works to keep a constant
temperature. Air flow distribution and fan speed
are also controlled automatically.
1. Press the AUTO button on.
2. Turn the temperature control dial to the left
or right to set the desired temperatur ...
Shift control system
System Diagram
NOTE: The gear ratio is set for each position separately.
System Description
In order to select the gear ratio that can obtain the driving force in
accordance with driver's intention and the
vehicle condition, TCM monitors the driving conditions, such as the vehicle
speed a ...