Question about 1996 Toyota Camry

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96 camry obd2 no comm

Checked wires at port both grounds power and data line still no communication

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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projdoc
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SOURCE: need wiring schematics for 96 toyota camry

hayne's (or chilton's) manual from an auto parts store. $17.

Posted on Aug 12, 2009

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lodhiautos1
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SOURCE: communication error with OBD2 and DLC on camry

Check the voltage in pin 16 of DLC 3. Hook a bulb type 12 v tester between terminal 16 of the dlc and ground. The bulb should glow even if the ignition key is off. If the bulb does not glow check the fuse located under the glove box on the passenger side.

Posted on Oct 29, 2013

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I need help with a 2001 ford f150 xlt data link pinout pin 16 showing no power i check the fuse are ok but cigarette lighter works i need a wiring diagram.


https://www.google.com/search?client=aff-maxthon-maxthon4&channel=t27&q=2001%20Ford%20F150%20XLT%20Wiring%20diagram

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PONTIAC G6 2006 runs ok ck eng lite on OBD tool is getting power when connected but can not communicate where do I look for connection falts


No year make and model. I would guess the a computer has shorted and killed the data line. This would be a full car scan. If no computers could be scanned, then you'll need to find the bad one. Disconnect one at a time till you can read the others. If it is data lines or the computer. The full scan will read all the other ones. the others will pop a communication code to the suspected computer.

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2004 Suzuki Verona 2.5 data link connector wiring diagram no pcm communication


Hello just a guess here but by any chance is the lighter still working check for a blown fuse i have had this problem in the past and have traced it back to a fuse to the lighter or something crazy like that and as soon as i fixed this then i got communication back to the PCM. They run the power for the OBD connector off of other thing in the car

Dec 14, 2016 | 2004 Suzuki Verona

1 Answer

Fixes for non-communicating OBD II port and nonworking trunk release button on driver door panel?


What pins did your friend jump in the DLC ,2 an 4 ? they don't call it ALDL any more ! Does the vehicle start an run ?
The data link connector (DLC) is a standardized 16 cavity connector. Connector design and location is dictated by an industry wide standard, and is required to provide the following:
?€¢
Scan tool power battery positive voltage at terminal 16.


?€¢
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)


?€¢
Radio


?€¢
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.
Test Description
The numbers below refer to the step numbers on the diagnostic table.

  1. A partial malfunction in the class 2 serial data circuit uses a different procedure from a total malfunction of the class 2 serial data circuit.

  2. The DTC U1300, U1301, and U1305 may be retrieved with a history status. These DTCs are not the cause of the present condition.

  3. A State of Health DTC with a history status may be present along with a U1000 or a U1255 with a current status. This indicates that the malfunction occurred when the ignition was on.

Apr 22, 2015 | 2001 Buick LeSabre

1 Answer

How do i reteive codes 2006 pontiac g6 no communication from dlc is there a hidden fuse?


Sigh...there can be alot involved in NO COMM faults. Do the instrument warning lamps come on with the key as normal? Do they all go to self test modes when turning to start? Most GM products either have a dedicated fuse for DLC or use the Radio fuse. If you have a meter or a testlight, pin 16 (Looking at the DLC, top side is the wider of the 2 sides, bottom.narrow side furthest right is pin 16) will be the 12v power port. If you can test for power there, and you dont have it, you have a broken wire or a blown fuse or a bad connection most likely, or possible ignition switch issue.
If you DO have power (Minimum 10.5v to be sure it will connect), then it becomes more involved. You need to start checking grounds as well (DLC Pins 4 and 5. Top left is pin 1, count to the right) and then checking modules directly for power and ground or checking comm lines at the can buss connector. This really requires a system diagram for all modules connected on the comm buss, and a wiring diagram to know which wires you will be testing, plus its worlds easier if you have an enhanced scantool capable of talking to all modules on the vehicle. If no modukes can communicate, then you can backtrack from your DLC till you find where there is no signal, but that could take awhile. However if some communicate and others do not (Your car probably has 15 modules that can comm) then it can really speed up the process because you will then know where the fault ISNT, and can narrow down the search for locations.
Having seen a few GM systems get upset with water intrusion, or individual modules pulling down the buss, you could try disconnecting the ABS module connector and rechecking comm. I have seen loose plugs on that, as well as burned out ABS modules cause NO COMM. I only start there because its usually easy to unplug and test the ABS.
Aside from that, you really will need test equipment and accurate diagrams to properly proceed. But with any luck, the power and ground testing may get you going. Id start there if it were at my shop, and proceed to scan tests and buss wiring checks next.

Jan 31, 2015 | 2006 Pontiac G6

1 Answer

Werd is the obd conection


where is my DLC, ok, easy. well kinda....
weird?, no not weird, OLD,. old cars dont have OBD2, sorry.
NO COUNTRY stated, you must state that,
1993 is not a OBD2 car mostly. in any country.
that means it's OBD1 so mfg, puts the DLC where ever it wanted
and did. (huge variances)

toy was and early bird to OBD2, see? inUSA !
http://www.obdii.com/connector.html#dates

IF not OBD2
then , its FLASH codes. (easy rules)
TE1 and E1 of the Data Link Connector (DLC) 1 or 2.
now where would that be. answer

real OBD2 connector (USA cars) is just to right of steering
column,at dash edges, TOY cALLS this DLC3 (96 camry)
all scan tools with J1850 Bus work here. (older to newer)

here is a web site dedicated to DLC , musical chairs.
moves every where
see it here
http://codes.rennacs.com/Petrol-Engine/Japanese-Korean/Toyota-Engines.php

and here too
http://www.toyotanation.com/forum/103-3rd-4th-generation-1992-1996-1997-2001/419564-reference-obd-1-2-diagnostic-port-locations.html


1st too google hits.

Jan 10, 2014 | 1993 Toyota Camry V6

1 Answer

New stereo hook up


You better read up on class 2 serial data communication networks . Does supply ACC voltage to anything . Your vehicle has many different control modules , PCM / ECM , air bag , ABS , BCM instrument cluster ,an the radio an some others . If you mess with or ground this wire your vehicle will not start or do anything .

The data link connector (DLC) allows a scan tool to communicate with the class 2 serial data line. The serial data line is the means by which the microprocessor-controlled modules in the vehicle communicate with each other. Once the scan tool is connected to the class 2 serial data line through the DLC, the scan tool can be used to monitor each module for diagnostic purposes and to check for diagnostic trouble codes (DTCs). Class 2 serial data is transmitted on a single wire at an average of 10.4 kbps. This value is an average; class 2 uses a variable pulse width modulation to carry data and depending on the message it may operate faster or slower. The bus will float at a nominal 7 volts during normal operation. Each module can pull this lower during the transmission. The bus is not at battery positive voltage or ground potential during normal operation. When the ignition switch is in RUN, each module communicating on the class 2 serial data line sends a state of health (SOH) message every 2 seconds to ensure that the module is operating properly. When a module stops communicating on the class 2 serial data line, for example, if the module loses power or ground, the SOH message it normally sends on the data line every 2 seconds disappears. Other modules on the class 2 serial data line, which expect to receive that SOH message, detect its absence; those modules in turn set an internal DTC associated with the loss of SOH of the non-communicating module. The DTC is unique to the module which is not communicating; for example, when the inflatable restraint sensing and diagnostic module (SDM) SOH message disappears, several modules set DTC U1088. Note that a loss of serial data DTC does not normally represent a failure of the module that set it.
On some vehicles, if the powertrain control module (PCM) is unable to communicate with the vehicle theft deterrent (VTD) system after the vehicle has started, the PCM will consider the VTD system to be malfunctioning. The PCM will enter a fail enable state and will command the security indicator to illuminate. When the PCM is in a fail enable state, the vehicle will NOT stall or stop running. If the PCM is in a fail enable state when the ignition is switched OFF, the PCM will remain fail enable until communications with the VTD system has been restored. When the PCM is in a fail enable state, the VTD system is NOT active and the vehicle will start. This feature is NOT available on all GM vehicle lines.

You need a interface module for your radio to work . Go to a professional installer place an talk with them . Your vehicle may not have all of these modules , but most .

Class 2 Serial Data Line
The class 2 serial data line on this vehicle is a star configuration. The following modules communicate on the class 2 serial data line:
• The body control module (BCM)
• The digital radio reciever
• The driver door module (DDM)
• The electronic brake control module (EBCM)
• The front passenger door module (FPDM)
• The HVAC control module
• The inflatable restraint sensing and diagnostic module (SDM)
• The instrument panel cluster (IPC)
• The memory seat module (MSM)
• The powertrain control module (PCM)
• The radio
• The radio amplifier
• The rear seat audio (RSA) controller
• The rear seat entertainment (RSE) assembly w/U42
• The rear wheel steering control module
• The remote playback device-CD player w/U1S
• The transfer case shift control module
• The transmission control module (TCM) w/Allison Transmission
• The theft deterrent control module
• The vehicle communication interface module (VCIM) w/UE1

GM Class II RDS Radio 12V Ignition Wiring

Mar 01, 2017 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

Where is the diagnostic port located on a 2000 fiat marea


on a 99 2.0 model you will have 2 diagnostic ports. both of them will be the fiat 3 pin type.

to connect the 3 pin fiat connector to a 16 pin obd2 connector you need 4 lengths of wire. use 3 lengths of wire to connect the 3 pin connector to the obd connector. also use 1 length of wire for power to the obd connector.

on the 16 pin obd2 connector use the following pins
4- chassis ground (connect to ground on 3 pin connector, or any good chassis earth)
5- signal ground (connect to black wire pin on 3 pin connector)
7- k line (connect to white wire pin on 3 pin connector)
16- 12vDC (connect to battery positive terminal)

Apr 08, 2013 | Cars & Trucks

1 Answer

97 buick century has no data from OBD2 scanner.


The protocol is class 2 . Maybe your code reader is no good .
012 GM Class II Communications

Data Link Connector (DLC)
The data link connector (DLC) contains the following serial data links:
• Class II
• Entertainment and Comfort (E&C)
The DLC also provides a power source for the scan tool as follows:
• Unswitched voltage (B+) at DLC terminal 16 (circuit 1450)
• Ground at terminal 4 (circuit 1450) and terminal 5 (circuit 1550)

Class II Serial Data Link
The class II serial data link allows the following modules to communicate data with each other:
• Body control module (BCM)
• Electronic brake traction control module (EBTCM)
• Heater-A/C control (if equipped with RPO CJ2)
• Instrument panel cluster (IPC)
• Powertrain control module (PCM)
• Inflatable Restraint Sensing and Diagnostic Module (SDM).
The Class II serial data link allows a Scan Tool scan tool to communicate with the above modules for diagnostic and testing purposes. The Class II serial data link is located at the DLC connector terminal 2. Terminal 2 consists of the following circuits:
• Circuit 1036
• Circuit 1037
• Circuit 1128
• Circuit 1049
• Circuit 1122
• Circuit 1132
Entertainment and Comfort (E&C) Serial Data Link
The entertainment and comfort (E&C) serial data link allows a scan tool to communicate with the radio or the mobile telephone handset the remote CD player (if equipped). This communication is for diagnostic and testing purposes. The E&C serial data link is located at the DLC connector terminal 14, circuit 835.
PIN #9 goes to the air bag module .

Aug 04, 2017 | 1997 Buick Century

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