Description
ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM.
DTC Logic
DTC DETECTION LOGIC
NOTE:
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 10 V or more at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
This procedure may be conducted with the drive wheels lifted in the shop or
by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
Diagnosis Procedure
1.CHECK DTC WITH TCM
Check DTC with TCM.
2.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC with ABS actuator and electric unit (control unit).
3.CHECK DTC WITH COMBINATION METER
Check DTC with combination meter
4.CHECK SECONDARY SPEED SENSOR
Check secondary speed sensor
5.CHECK WHEEL SENSOR
Check wheel sensor.
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer's
comments; refer to IP-6, "Diagnosti ...
Front fog lamp aiming adjustment
Description
PREPARATION BEFORE ADJUSTING
NOTE: For details, refer to the regulations
in your area.
Before performing aiming adjustment, check the following.
Adjust the tire pressure to specification.
Position vehicle and screen on level surface.
Ensure there is no load in vehicle other ...
Tweeter
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the tweeters using
the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors ...