COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
RemovalDiagnosis Circuit
DESCRIPTION
The headlight leveling ECU assembly outputs DTC information to the Techstream
via this circuit.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)
(a) Disconnect ...
ECM / PCM Processor (P0606)
MONITOR DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures
that the ECM is functioning properly. If outputs from the CPUs are different and
deviate from the standard, the ECM illuminates the MIL and stores the DTC imm ...
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emission
control system.
- If the malfunction indicator lamp comes on
The OBD system determines that ...