Transmission box is a one-touch thing and was in insulation

Tiny
ANONYMOUS
  • MEMBER
  • 1994 CHEVROLET CAPRICE
  • 4.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Hi, everybody. Today crawled under the car and found that the transmission box is a one-touch thing and she was in insulation. And it's on the passenger side. All write assumptions. Box 4l60e
Friday, September 27th, 2019 AT 1:22 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

What is the actual issue you have at this time?

Roy
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Saturday, September 28th, 2019 AT 6:06 AM
Tiny
  • MEMBER
  • 0 POST
Check is on.
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Saturday, September 28th, 2019 AT 6:31 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, can you give me the code? It will flash on the dash at the check engine light.

I attached the procedure for retrieving the codes. Once you get the codes, post them here so I can help you.

Roy

SYSTEM CHECK:
Since this is the starting point for the diagnostic procedure or finding the cause of an emissions test failure, always begin here. The system check is performed through the twelve pin data link connector (DLC) under the instrument panel in the passenger compartment.
The Powertrain system check is a procedure that determines the following:

1. Bulb Check - to check "SES" light circuit and that the computer can complete the circuit. The system check starts with a bulb check. If there is no "SERVICE ENGINE SOON" light, refer to CHART A-1. See: A L L Diagnostic Trouble Codes ( DTC ) > Related Tests, Information and Procedures > Chart A-1 No Malfunction Indicator Lamp (MIL)
2. Diagnostic Mode - this indicates if the diagnostic mode is working.
3. Engine Start - this step is done after it has been determined that the computer will display codes and data.
4. Other Codes - Proceed to the applicable chart if a code is displayed. NOTE: A "Scan" tool may be needed to use diagnostic charts. If all systems appear to be functioning, see DIAGNOSIS BY SYMPTOM. See: Computers and Control Systems > Testing and Inspection

SYSTEM DESCRIPTION:
To extract a trouble code from the computer for diagnostic purposes, the twelve pin data link connector (DLC) is used.
The DLC is located in the passenger compartment. Terminal B of the connector is the test terminal and terminal A is the ground used for diagnostic display.
If the test terminal is grounded with the ignition on and engine not running, the system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the "CHECK ENGINE" or "SERVICE ENGINE SOON" light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession. After Code 12 is displayed, any stored trouble codes will be displayed by flashing the "CHECK ENGINE" or "SERVICE ENGINE SOON" light. All codes are displayed 3 times each then a code 12 will repeat. In the diagnostic mode, the computer will also energize all computer controlled relays and solenoids. After determining the trouble code(s), refer to DIAGNOSTIC TROUBLE CODE CHARTS. See: Computers and Control Systems > Testing and Inspection

FIELD SERVICE MODE:
If the test terminal is grounded with the engine running, the system will enter the field service mode. In this mode, the "CHECK ENGINE" or "SERVICE ENGINE SOON" light will indicate whether the system is in open or closed loop operation. If the system is in open loop operation, the light will flash approximately two and one-half times per second. Closed loop operation is indicated by the light flashing approximately once per second. A "Scan" tool can be used to enter the "Field Service Mode."
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Saturday, September 28th, 2019 AT 6:36 AM

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