Question about 1997 Honda Accord
It's behind your ashtray, dude. Pull the ashtray out towards the shifter
Posted on Sep 09, 2008
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The rear integration module (RIM)
Each of the 2 body control modules integrate a number of functional systems. Each module is connected to the class 2 serial data circuit, many of the control signals are implemented by class 2 messages.
Dash Integration Module (DIM)
The various dash integration module (DIM) input and output circuits are described in the corresponding functional areas as indicated on the DIM electrical schematics.
The DIM functions include the following:
The cigar lighter relay control
The class 2 communication requiring DIM interaction
The exterior lighting control
The headlamp washer control
The hood ajar switch input w/export
The horn relay control
The interior lighting control
The load management
Serial Data Messages The modules that depend exclusively on serial data messages for power modes stay in the state dictated by the last valid PMM message until they can check for the engine run flag status on the serial data circuits. If the PMM fails, the modules monitor the serial data circuit for the engine run flag serial data. If the engine run flag serial data is True, indicating that the engine is running, the modules fail-safe to RUN. In this state the modules and their subsystems can support all operator requirements. If the engine run flag serial data is False, indicating that the engine is not running, the modules fail-safe to OFF-AWAKE. In this state, the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open, or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
I'd say your best bet is take your vehicle to the dealer or some other qualified repair shop .
Sep 22, 2016 | 2007 Cadillac CTS
Scan tool power ground at terminal 4.
Common signal ground at terminal 5.
Class 2 signal at terminal 2.
I wonder how many friends out there mess up other friends vehicles from stuff they see on the internet . When are you people going to learn , your messing with complex electronics !!!!! He shorted out the class 2 serial data communication network !
Do you know what this is ? if not you need to take to your local GM Mr. goodwrench !
Class 2 Serial Data Link
The data link is configured as a ring with discrete lines entering and leaving each module. This allows communications to the modules on the ring if one of the two discrete circuits is open.
A total list of the control modules on the Class 2 Serial Data Line can include the following:
Dash Integration Module (DIM)
Driver Door Module (DDM)
Electronic Brake Control Module (EBCM)
Head Up Display (HUD) w/UV6
HVAC Control Module w/C67
Inflatable Restraint Sensing and Diagnostic Module (SDM)
Instrument Panel Cluster (IPC)
Instrument Panel Integration Module (IPM) w/CJ2
Memory Seat Module (MSM) w/A45
Powertrain Control Module (PCM)
Rear Integration Module (RIM)
Remote Control Door Lock Receiver (RCDLR)
Remote Playback Device - CD Changer w/U1S
Theft Deterrent Control Module
Vehicle Interface Unit (VIU) w/UE1
Power door serial data does not communicate with the scan tool via the DLC. Power door serial data information is interpreted by the driver door module (DDM) and transmitted on the Class 2 data link by the DDM.
Power door serial data is used for serial data communication between the four door modules as well as the driver door switch assembly (DDSA
Scan Tool Does Not Communicate with Class 2 Device
Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. Connecting a scan tool to the DLC allows communication with the modules for diagnostic purposes.
The engine will not start when there is a total malfunction of the class 2 serial data circuit while the engine is not running.
The numbers below refer to the step numbers on the diagnostic table.
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The serial number is stamped on a cast pad on the cylinder
block. Look on the left side of the engine between the two center exhaust ports
(numbers 3 and 5). There you will find the engine serial number. The engine
compression ratio is also stamped above the serial number.
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