Question about 1996 Toyota Camry

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Ground to radio,dome light,security system

I recently replaced the positive batery terminal connector, cleaned the battery terminals and lost function of the clock, radio and security system. I suspect a faulty connection of the related ground connection; but have no idea of it's location. Can you help me pinpoint where it is?

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Your clock and radio don't normally share the same ground point, but since you asked the radio ground is located in the instrument panel brace on the RH and your clocks ground point is at the left kick panel. Good luck

Posted on Mar 11, 2009

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No low beam head lights on 1999buick regal


Do you know how to do basic automotive electrical testing ?

Headlamps Inoperative - Low Beams

Disconnect the headlamp switch.
Turn the headlamp dimmer switch to the LOW position.
Using a test light, frontprobe between the headlamp switch harness connector terminal D to ground.
Does the test light illuminate? YES - NO ?

2
Using a test light, probe between the headlamp switch harness connector terminal D to ground.
Does the test light illuminate?
--
YES - Go to Step 3
NO - Go to Step 4
3
Replace the headlamp switch. Refer to Headlamp Switch Replacement .
Has the repair been made?
--
Go to Headlight System Check
--
4
Repair a poor connection or an open in circuit 1750 between the headlamp switch and the harness connector terminal A and G201.
Has the repair been made?
--
Go to Headlight System Check
--
5
Reconnect the headlamp switch.
Using a test light, backprobe between connector C201 terminal A3 and ground.
Does the test light illuminate?
--
Go to Step 6
Go to Step 7
6
Repair a poor connection or an open in circuit 10 between the harness connector C201 terminal A3 and S221.
Has the repair been made?
--
Go to Headlight System Check
--
7
Using a test light, backprobe between connector C201 terminal A2 and ground.
Does the test light illuminate?
--
Go to Step 8
Go to Step 9
8
Replace the headlamp dimmer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .
Has the repair been made?
--
Go to Headlight System Check
--
9
Using a test light, backprobe between the underhood accessory wiring junction block harness connector C2 terminal F10 to ground.
Does the test light illuminate?
--
Go to Step 11
Go to Step 10
10
Replace the underhood accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement .
Has the repair been made?
--
Go to Headlight System Check
--
11
Repair a poor connection or an open in circuit 1201 between the underhood accessory wiring junction block harness connector C2 terminal F10 and connector C201 terminal A2.
Has the repair been made?
--
Go to Headlight

Feb 18, 2017 | 1999 Buick Regal

1 Answer

2000 cadillac deville gas gauge avg went blank car won't start


Your best bet is have it checked for DTC'S - diagnostic trouble code's first before doing anything ! Sorry but you have no idea of the complexity of this vehicle .
Body Control System Circuit Description
The body control system consists of three modules, the Dash Integration Module (DIM), the Instrument Panel Integration Module (IPM), and the Rear Integration Module (RIM).
Dash Integration Module (DIM)
Battery Positive Voltage (B+) is provided from IGN SW fuse 20 in the Rear fuse Block on CKT 540 (ORN) to the DIM at connector C3 terminal G. The module ground is on connector C3 terminal E, which is wired to ground G201 by CKT 451 (BLK/WHT). Battery positive sense voltage is provided from DIM fuse 39 in the Rear fuse Block to the DIM at connector C3 terminal A12 on CKT 3340 (ORN). This battery input is referenced to the ground sense input at DIM connector C3 terminal B12, which is wired to the battery negative terminal and to ground G307 on CKT 50 (BLK). These sense inputs are physically connected to the battery positive and negative terminals for accurate battery voltage readings. The DIM is wired to the Class 2 serial data line CKT 1807 (PPL) at connector C2 terminals A11 and A12. The various DIM input and output circuits are described in the corresponding functional areas as indicated on the DIM electrical schematics.
Instrument Panel Module (IPM)
Battery Positive Voltage (B+) is provided from I/P fuse 7 in the Underhood fuse Block on CKT 440 (ORN) to the IPM at connector C1 terminal C1. Ignition Positive Voltage (IGN3) is provided from the IGN3 RR fuse 6 in the Rear fuse Block to the IPM on CKT 41 (BRN) at connector C1 terminal C2. The voltage inputs are referenced to the module ground at connector C1 terminal D16 on CKT 451 (BLK/WHT). The IPM is wired to the Class 2 serial data line CKT 1807 (PPL) at connector C1 terminals C7 and C8. The various IPM input and output circuits are described in the corresponding areas as indicated on the IPM electrical schematics.
Rear Integration Module (RIM)
Battery Positive Voltage (B+) is provided from IGN SW fuse 20 in the Rear fuse Block on CKT 540 (ORN) to the RIM at connector C1 terminal A1. Ignition Positive Voltage (IGN1) is provided from IGN1 fuse 12 in the Rear fuse Block on CKT 1039 (PNK) at RIM connector C1 terminal A3. These voltage inputs are referenced to module ground at connector C1 terminals B7 and B8 on CKTs 1051 (BLK). The RIM is wired to the Class 2 serial data line CKT 1807 (PPL) at connector C2 terminals B3 and B4. The various RIM inputs and outputs are described in the corresponding functional areas as indicated on the RIM electrical schematics.

Aug 11, 2016 | Cadillac Cars & Trucks

2 Answers

2001 turn the key on gauges move try to start gauges goes dead won't start or do anything


problem can be loose battery terminals
dirty battery terminals ( must be shiny clean on both terminals and battery posts) loose battery connections
bad battery ( have a load test done on the battery)

Oct 11, 2015 | Cars & Trucks

2 Answers

Horn keeps going off unexpectedly- usually at night


Often times the problem is a weak horn relay or a weak horn pad on the steering wheel. You can remove the horn relay or fuse to prevent the horn from blowing until the problem is fixed.

Feb 19, 2015 | 1998 Lincoln Continental

2 Answers

1997s10 pick up truck no headlights i have all other lights


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Headlight Switch

ABCDEFGHIJKLMNOPQRSTUVWXYZ The headlight switch controls most of the vehicle's lighting systems. Many complaints concerning the lighting systems can be the result of a faulty headlight switch. For example, dim or no instrument panel lights, dim or no headlights, dim or no parking lights, and improperly operating dome lights can all be caused by the headlight switch.
Dash-Mounted Switches
f36-12.jpg A headlight switch. You'll need to remove the switch to test it. With the switch removed it can be tested for continuity and the connector plug will serve as a test point for the lighting circuits. First test at the connector.
In this procedure the terminals are identified as follows:
  • Terminal B = battery
  • Terminal A = fuse
  • Terminal H = headlights
  • Terminal R = rear park and side marker lights
  • Terminal I = instrument panel lights
  • Terminal D1 = dome feed light
  • Terminal D2 = dome light
Consult the service manual for terminal identification for the vehicle you are working on. If this is not listed in a separate chart, you should be able to identify the circuits from the wiring diagram.
  • Connect the 12-volt test light across terminal B and ground. The test light should light. If not, there is an open in the circuit back to the battery.
f_aee_cc14.19.jpg Testing for battery voltage to the connector. Reprinted with permission of Ford Motor Company.
  • Connect the test light across terminal A and ground. The test light should come on. If not, repair the circuit back to the fuse panel.
  • Connect a jumper wire between terminals B and H. The headlights should come on. If the headlights fail to turn on, trace the H circuit to the headlights. Also check the ground circuit side from the headlights.
  • Connect a jumper wire between terminals A and R. The rear lamps should illuminate. If not, trace the circuit to the rear lights. Also check the ground return path.
  • Connect a jumper wire between terminals A and I. The instrument panel lights should come on. If not, trace the circuit to the panel lights.
The chart below indicates the test results that should be obtained when testing the headlight switch for continuity. use an ohmmeter or a self-powered test light to test the switch.
Steering Column-Mounted Switches
On some vehicles it is possible to test the steering column-mounted switch without removing it. The test is conducted at the connector at the base of the column. However, on some vehicles it is necessary to remove the column cover and/or steering wheel to gain access.

Mar 14, 2013 | Cars & Trucks

1 Answer

How to remove battery


Make sure key is off. Remove battery negative terminal, then the positive terminal. Now remove battery holder-some have a hold-down bolt near the bottom of battery, or clamps to remove. Take old battery out and replace with new, and secure the holding fixture. Attach positive terminal first, and last the negative terminal. Make sure cable ends are clean-use a battery post cleaner tool to get the posts and cable ends as clean as possible.

Feb 06, 2013 | 2004 Citroen Berlingo 2.0

1 Answer

Hi, is there any special things I need to know, short cuts or tricks in a removal and replacement of my battery in a 2000 ford mustang with a V6? thanks, Sarah


Sarah

1. Ensure you are using the correct spec replacement battery.

2. In many vehicles the radios and sound systems will cease to function if the battery is disconnected and require the radio code (supplied with and unique to the vehicle) to be punched in to activate the unit once power is restored.
I am not sure if the 2000 Mustang has this feature.

Make sure you have turned off all electrical functions on the car and remove the key from the ignition.

3. Batteries are dangerous as they emit explosive gasses which can ignite easily with one spark.
Do not change the battery immediately after running the car. Open the bonnet and allow air to circulate for a while before changing. Wear protective eye wear and clothing when working with the battery and remove metal objects such as rings ,watch bands, bracelets etc. as these could accidentally touch a battery terminal and cause a spark. (Be careful as I have personally seen a car battery explode when gas emissions have ignited with a spark).

4. Disconnect the cable from the negative ( - ) terminal first. Using a spanner, loosen the nut on the cable end and gently remove the cable from the battery terminal. You may need to move it around a little on the terminal before it slides up and free. Disconnect the cable from the positive (+) terminal second by loosening the nut and gently removing the cable. Move the cables out of the way and place a plastic cover wrapping over both cable ends so they do not accidentally contact an exposed battery terminal.

To eliminate risk, wrap some plastic electrical tape around the old battery's terminals before removing it. This ensures no accidental contact with metal parts of the car when moving the battery. The new battery should have a plastic protection cap over each terminal. Do not remove these until the new battery is secured and you are ready to re-connect the cables.

5. The battery clamping system will need to be released to remove the battery.

6. Check the metal cable terminals for corrosion (the presence of white ashy material). They will need to be cleaned up before connection to the new battery to ensure good contact.

7. Install the new battery on the battery platform ensuring it is firmly and properly seated and clamped with the clamping system. Ensure it is properly secured before re-connecting the cables.

8. Connect the positive cables to the positive (+) battery terminal first and then the negative (-) second. (The reverse of removal). Do not overtighten the nuts on the cables when clamping them to the battery terminals.

9. I usually run a very light and thin smear of petroleum jelly over the metal cable ends and top of the battery terminal once everything is clean and connected up. Now replace the protector cover (if fitted to your vehicle)) over the positive cable end and you are done .

10. If your car radio is coded, disconnecting the battery will clear the code on the radio so ensure you have the code available to reset the car radio after the battery is reconnected.

Dec 01, 2010 | 2000 Ford Mustang

1 Answer

1998 buick park ave. rear window defroster not working. fuse is good, has anyone replaced the black box located next to rear window where element plugs into along with the antenna. element on window is not...


Rear Defogger Inoperative, But Heated Mirrors Operate Correctly
1. Connect scan tool. Turn ignition switch to RUN position. Turn rear defogger on. Using scan tool, display BCM
outputs. If rear defogger is being requested on, go to next step. If rear defogger is not being requested on, go to
step 10).
2. Ensure ignition switch is in RUN position. Remove rear defogger relay from rear junction block, located on center
right rear of passenger compartment, under rear seat. Connect test light between ground and defogger relay
harness connector terminal F3 (Brown wire). If test light illuminates, go to next step. If test light does not
illuminate, go to step 11).
3. Connect test light between ground and defogger relay harness connector terminal A2 (Red wire). If test light
illuminates, go to next step. If test light does not illuminate, go to step 12).
4. Connect test light between defogger relay harness connector terminals A2 (Red wire) and B3 (Purple wire). If test
light illuminates, go to step 13). If light does not illuminate, go to next step.
5. Disconnect rear defogger positive and negative feed bus connectors. Connect a jumper wire between defogger
relay harness connector terminals F3 (Brown wire) and A4 (White wire). Connect test light between ground and
positive feed bus connector terminal "A" (Black wire). If test light illuminates, go to next step. If test light does not
illuminate, go to step 8).
6. Connect test light between positive feed bus connector terminal "A" (Black wire) and negative feed bus connector
terminal "B" (Black wire). If test light illuminates, go to next step. If test light does not illuminate, go to step 9).
7. Repair open in Black wire between rear defogger and ground. Recheck system operation.
8. Repair open in Purple wire between rear junction block and heated backlight antenna module. Recheck system
operation.
9. Check for proper terminal contact at rear defogger connectors. Repair as necessary. Recheck system operation.
10. Check for proper terminal contact at BCM. If terminal contact is okay, replace BCM. Recheck system operation.
11. Repair open in Brown wire between rear junction block and instrument panel junction block. Recheck system
operation.
12. Repair open in Red wire between rear junction block and underhood junction block (located in right front corner of
engine compartment, between battery and strut tower). Recheck system operation.
13. Connect test light between defogger relay harness connector terminals F3 (Brown wire) and A4 (White wire). If
test light illuminates, go to next step. If test light does not illuminate, go to step 16).
14. Reinstall defogger relay. Disconnect BCM 32-pin Pink connector C2. BCM is located behind right side of instrument
panel, near rear of glove box. Using DVOM, check voltage between ground and BCM harness connector C2
terminal A3 (White wire). If any voltage is present, go to next step. If no voltage is present, go to step 17).
15. Repair open or short to ground in White wire between rear junction block and BCM. Recheck system operation.
16. Check for poor connection at defogger relay terminals. If connections are okay, replace defogger relay. Recheck
system operation.
17. Check for proper terminal contact at BCM. If terminal contact is okay, replace BCM. Recheck system operation.

Feb 25, 2010 | 1998 Buick Park Avenue

2 Answers

Car is dead...kinda


since you replaced the battery,you might want to check the positive terminal on the battery and make sure that none of the smaller wires(if any)that go to the positive terminal did not come off.make sure they are clean and making good contact and do the same with the ground wire also.the problem has to be with the battery or terminals because that is the only thing that was replaced.once you get the car running you might want to get your charging system and battery checked just to be on the safe side. hope this info helps.take care and good luck, manny

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1 Answer

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