DESCRIPTION
This circuit supplies power source voltage from the battery to terminal B of the steering lock ECU (steering lock actuator assembly). This is used as power source for the CPU, motor, communication, and peripheral circuits.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BODY GROUND) |
(a) Disconnect the D17 connector from the steering lock ECU (steering lock actuator assembly). |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D17-1 (GND) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Steering lock ECU (Steering lock actuator assembly)) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BATTERY) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (STEERING LOCK ECU - BATTERY) |
Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO - IMI) to the certification ECU (smart key ECU
assembly) is stuck high output (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
...
Auxiliary boxes
►Type A (driver’s side instrument panel)
Push down the knob.
►Type B (front console)
Lift the lid.
►Type C (front console)
Lift the lid.
►Type D (front passenger’s side instrument
panel)
- Coin holder (type A) ...
Speed Signal Circuit
DESCRIPTION
The combination meter assembly receives the vehicle speed signal from this circuit.
The wheel speed sensors produce an output that varies according to the vehicle speed.
The wheel speed sensor output is received by the skid control ECU which u ...