Road test
TCMIgnition signal
Description
The ignition signal from the ECM is sent to and amplified by the power
transistor. The power transistor turns
ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the
proper high voltage in the coil
secondary circuit.
Component Function Check
1.INSPECTIO ...
DTC/circuit diagnosis
MAIN LINE BETWEEN DLC AND HVAC CIRCUIT
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity betw ...
Normal operating condition
Description
Symptom
Result
Slight vibrations are felt on the brake pedal and the operation
noises occur, when VDC, TCS or ABS is activated.
This is a normal condition
due to the VDC,
TCS or ABS activation.
Stopping distance is longer than that of v ...