Question about 2004 Chevrolet Aveo

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O5 aveo where is ECM/TCM wire harness??

Car won't start, checked fuses under dash ECM/TCM there are two 10A fuses one has power +/- the other has none, DIS inject 15A fuse no power, engine fuse 10A no power. Underhood fuse box 15A fuel pump fuse only has one side of fuse has power.

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 124 Answers

SOURCE: 98 chevy s-10 wont start

real comon starting problem for these is moisture in the cap and rotor and plug wires. replace cap, rotor, and wires. while you have the cap and rotor off check the two vent holles in the base of the distributer to see if the screens are plugged. be careful with the srews that hold the cap on the distibuters are plastic and will break.

Posted on Dec 04, 2008

  • 4 Answers

SOURCE: 1994 Chevy S-10 Blazer 4-door fuel pump replaced but not working

you should have 2 ecm fuses under the dash in the fuse box check these one of them is probably blown I have had 2 s10 that blow this fuse occasionally

Posted on Jan 31, 2009

mechanicm639
  • 253 Answers

SOURCE: 2000 S10 4.3L

At the fuel pump relay you should have 1 full time hot wire. 1 hot wire when you turn on the switch. 1 ground, and the other wire goes to the pump. Test the ground to be sure it is good. If so then jump a hot to the one that goes to the pump and see if it runs.If it does then you have a bad relay or ECM. You can swap the relay with another of the same # from tour fuse box to test it.There is also a ground on top of the frame near the filler neck, check it too. Good Luck

Posted on May 06, 2009

Molson02536
  • 3854 Answers

SOURCE: fuel pump fuse blows

Check the fuel pump relay, i am not sure but i think there are two of them. Check the wire harness too, mice may have chewed in to the wires causing a shot in the system. 
Good luck and hope this helps.

Posted on May 09, 2009

motor1258
  • 6674 Answers

SOURCE: 2001 chevy s 10

Find power wire coming from relay to pump when key switched on, & follow it back to pump. If you have power out of relay & nothing at pump, then I'd look for a break in wire to rear, or just run a new one. Double check your ground as well.

Posted on Jul 05, 2009

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1 Answer

I have a 2008 Chevy Impala as the ecm/tcm fuse keep blowing need help asap


the first place I would start is the harness to the transmission and the TCM and look for crushed wires , water in connections or wire cut through where they go into the transmmission
check the TCM next for an internal short

Oct 17, 2015 | Cars & Trucks

1 Answer

Where is the location of 06 Saturn Ion 2 compressor relay?


Connector 1:
Fuse Block - Underhood Label (2.2L, 2.4L)
Connector 2:
Fuse Block - Underhood Top View (2.2L, 2.4L)
Connector 3:
Fuse Block - Underhood Bottom View (2.2L, 2.4L)
Connector 4:
Fuse Block - Underhood C1 (2.2L, 2.4L)
Connector 5:
Fuse Block - Underhood C2 (2.2L, 2.4L)
Connector 6:
Fuse Block - Underhood C3 (2.2L, 2.4L)
Connector 7:
Fuse Block - Underhood Label (2.0L)
Connector 8:
Fuse Block - Underhood Top View (2.0L)
Connector 9:
Fuse Block - Underhood Bottom View (2.0L)
Connector 10:
Fuse Block - Underhood C1 (2.0L)
Connector 11:
Fuse Block - Underhood C2 (2.0L)
Connector 12:
Fuse Block - Underhood C3 (2.0L)
Connector 13:
Body Control Module (BCM) Label
Connector 14:
Body Control Module (BCM) Top View
Connector 15:
Body Control Module (BCM) Bottom View
Connector 16:
Body Control Module (BCM) C1
Connector 17:
Body Control Module (BCM) C2
Connector 18:
Body Control Module (BCM) C3
Connector 19:
Body Control Module (BCM) C4
Connector 20:
Body Control Module (BCM) C5 (UE1)
Fuse Block - Underhood Label (2.2L, 2.4L)
2.2L

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2.4L

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Fuse Block - Underhood Label Usage (2.2L, 2.4L)
No.

Device

Rating

Description
1

ECM (2.4L)/TCM Fuse
10A

ECM (2.4L)/TCM
2-3

--
--

Not Used
4

RH HDLP Fuse
15A

Headlamp - Right
5

A/C Fuse
10A

A/C CLUTCH Relay
6-7

--
--

Not Used
8

ABS Fuse
10A

EBCM (JM4)
9

ECM/ETC Fuse
15A

ECM
10

EMISS Fuse
15A

EVAP Canister Purge Solenoid, Coolant Level Switch, MAF Sensor, HO2S 1, and HO2S 2
11
IGN Fuse
10A
ICM and PNP Switch (A/T)
12
--
--
Not Used
13
TRANS2 Fuse
10A
ECM, Automatic Transmission
14
TRANS1 Fuse
10A
TCM (MN5)
15
BACK UP Fuse
10A
PNP Switch (A/T) or Backup Lamp Switch (M/T)
16
INJECTORS Fuse
10A
Fuel Injectors 1-4
17
FOG LP Fuse
10A
FOG LAMP Relay (T37)
FOG LP Fuse
15A
FOG LAMP Relay (T96)
18
LH HDLP Fuse
15A
Headlamp - Left
19
WIPER Fuse
25A
WIPER 1 Relay
20
HORN Fuse
10A
HORN Relay
21
RADIO Fuse
20A
Audio Amplifier (UZ6)
22
ABS Fuse
20A
EBCM (JM4)
23
RR DEFOG Fuse
30A
REAR DEFOG Relay
24
A/C CLUTCH Relay
--
A/C Compressor Clutch

Jul 17, 2015 | 2006 Saturn ION 2

1 Answer

Won't start no spark


Check all your fuses, under the hood and at the fuse panel for ign fuse or ecm fuse and make sure they are'nt blown, then check for power to ign module which is under the coil paks, should be pink wire. good luck...sounds like maybe your ign module or crank sensor may have gone bad.

May 13, 2012 | 2002 Buick LeSabre

1 Answer

What does the code p1166 mean on my 2003 rsx type s


DTC P1166: A/F Sensor (Sensor 1) Heater Circuit Malfunction


  1. Reset the ECM/PCM.
  2. Start the engine.
Is DTC P1166 indicated?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose wires at C101 (located under the right side of the dash), C401 (located under the left side of the dash), C402 (located under under the left side of the dash) the A/F Sensor relay, the A/F Sensor (Sensor 1) and the ECM/PCM.


  1. Check the following fuse:
    • No.14 OPTION (30A) fuse in under-hood fuse/relay box.
    • No.2+B LAF HEATER (20A) fuse in under-dash fuse/relay box.
    • No. 4ACG (10A) in under-dash fuse/relay box.
Are any of the fuses blown?

YES - Repair short in the wire between the A/F Sensor relay and the fuses.

NO - Go to step 4.

94729647

  1. Measure voltage between ECM/PCM connector terminals A1 and A24, 30 seconds after the ignition switch is turned ON (II).
Is there battery voltage?

YES - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.

NO - Go to step 5.

94729648

  1. Measure voltage between ECM/PCM connector terminals A22 and A24.
Is there battery voltage?

YES - Go to step 6.

NO - Go to step 10.


  1. Turn the ignition switch OFF.
  2. Disconnect ECM/PCM connector E (31P).
  3. Turn the ignition switch ON (II).
94729649

  1. Connect ECM/PCM connector terminal E8 to body ground with a jumper wire, then measure voltage between ECM/PCM connector terminals A1 and A24.
Is there battery voltage?

YES - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.

NO - Repair open or short in the wire between the A/F Sensor (Sensor 1) and ECM/PCM (A1).


  1. Turn the ignition switch OFF.
  2. Disconnect the ECM/PCM connector A (31P) and the A/F Sensor (Sensor 1) 4P connector.
94729650

  1. Check for continuity between the A/F Sensor (Sensor 1) 4P connector terminal No.3 and body ground.
Is there continuity?

YES - Repair short in the wire between the A/F Sensor relay, A/F Sensor (Sensor 1) and ECM/PCM (A22).

NO - Go to step 13.


  1. Turn the ignition switch ON (II).
94729651

  1. Measure voltage between ECM/PCM connector terminals E8 and A24.
Is there battery voltage?

YES - Repair open in the wire between the ECM/PCM (A22) and the A/F Sensor (Sensor 1).

NO - Go to step 15.


  1. Check for continuity in the wires between the A/F Sensor and the fuses.
Is there continuity?

YES - The wires are OK. Replace the A/F Sensor relay.

NO Repair open in the wire between the A/F Sensor relay and the fuses.

Mar 17, 2011 | Acura RSX Cars & Trucks

2 Answers

Recently changed my engine,now the transmission,not changing gears or shifting properly


Check your wire harness to the transmission located on the drivers side under the battery, look for any damaged or disconnected wire harness and also inspect the wire leads to the harness at your TCM (transmission control module) located on the passenger side fender. Check the fuse to your TCM and don't forget to check the fuses under the dash on the drivers side, replace any fuse that has gone bad.
Good luck and hope this helps, 85% of the time it's going to be a electrical issue that causes your transmission not shift properly. The other causes for your transmission issues are: TPS sensor and the input speed sensor and out put speed sensor in your transmission.
Thank you for using Fixya and start with the simple and check the fuses and wire harness. Good luck

Mar 29, 2010 | 1996 Dodge Caravan

1 Answer

Changed out batterie and now tran,will not go in


Check the fuse to your transmission and the Transmission Control Module (TCM) wire harness. There are two fuse box places to check, one is under the hood by the battery and the other is under the dash on the driver's side. The TCM is located on the passengers side fender, check to make sure the wire harness has not gone lose. Good luck and keep me posted, the other problem that will cause this is a bad Vehicle Velocity Sensor.

Nov 30, 2009 | 1997 Dodge Caravan

1 Answer

What do the symbols on the fuse guide stand for?


Fuse Locations & Functions
1. Washer nozzle heaters, glove compartment light (10A).
2. Turn signal lights (10A).
3. Fog light relay, instrument panel light dimmer switch (5A).
4. License plate light (5A).
5. Comfort system, cruise control, A/C, steering wheel module (7.5A).
6. Central locking system (5A).
7. Back-up lights, speedometer vehicle speed sensor (VSS) (10A).
8. Open
9. Anti-lock brake system (ABS) (5A).
10. Engine control module (ECM): gasoline engine (10A)
11. Instrument cluster, shift lock solenoid (5A).
12. Data Link Connector (DLC) power supply (7.5A).
13. Brake tail lights (10A).
14. Interior lights, central locking system (10A).
15. Instrument cluster, transmission control module (TCM) (5A).
16. A/C clutch, after-run coolant pump (10A).
17. Open.
18. Headlight high beam, right (10A).
19. Headlight high beam, left (10A).
20. Headlight low beam, right (15A).
21. Headlight low beam, left (15A).
22. Parking lights right, side marker right (5A).
23. Parking lights left, side marker left (5A).
24. Windshield washer pump, windshield wiper motor (20A).
25. Fresh air blower, A/C (25A).
26. Rear window defogger (25A).
27. Motor for rear windshield wiper (15A). (if equipped)
28. Fuel pump (FP) (15A).
29. Engine control module (ECM) gasoline engine (15A)
30. Power sunroof control module (20A).
31. Transmission control module (TCM) (20A).
32. Injectors: gasoline engine (10A)
33. Headlight washer system (20A).
34. Engine control elements (10A).
35. 12 V power outlet (in luggage compartment) (30A).
36. Fog lights (15A). (if equipped)
37. Terminal (86S) on radio, Instrument cluster (10A).
38. Central locking system (w/ power windows), Trunk light, fuel door, Trunk lid (15A).
39. Emergency flashers (15A).
40. Dual tone horn (20A).
41. Cigarette lighter (15A).
42. Radio (25A).
43. Engine control elements (10A).
44. Heated seats (15A). (if equipped)

Fuse arrangements in fuse bracket/battery:
S162. Glow plugs (coolant) (50A).
S163. Fuel pump (FP) relay/glow plug relay (50A).
S164. Coolant fan control (FC) control module/coolant fan (40A).
S176. Relays panel interior (110A).
S177. Generator (GEN) (90 Amp.) (110A). Generator (GEN) (120 Amp.) (150A).
S178. ABS (hydraulic pump) (30A).
S179. ABS (30A).
S180. Coolant fan (30A).



fusecard.jpg

Oct 14, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

Cigarette lighter fuse


Hi,

Here is the fuse relay diagram:

MKIV FUSE LIST
1. Washer nozzle heaters, glove compartment light, memory seat control module (10A).
2. Turn signal lights (10A).
3. Fog light relay, instrument panel light dimmer switch (5A).
4. License plate light (5A).
5. Comfort system, cruise control, Climatronic, A/C, heated seat control modules, automatic day/night interior mirror, control module for multi-function steering wheel, control unit in steering wheel (7.5A).
6. Central locking system (5A).
7. Back-up lights, speedometer vehicle speed sensor (VSS) (10A).
8. Open
9. Anti-lock brake system (ABS) (5A).
10. Engine control module (ECM): gasoline engine (10A); diesel engine, Model Year 2000 > (5A).
11. Instrument cluster, shift lock solenoid (5A).
12. Data Link Connector (DLC) power supply (7.5A).
13. Brake tail lights (10A).
14. Interior lights, central locking system (10A).
15. Instrument cluster, transmission control module (TCM) (5A).
16. A/C clutch, after-run coolant pump (10A).
17. Open.
18. Headlight high beam, right (10A).
19. Headlight high beam, left (10A).
20. Headlight low beam, right (15A).
21. Headlight low beam, left (15A).
22. Parking lights right, side marker right (5A).
23. Parking lights left, side marker left (5A).
24. Windshield and rear window washer pump, windshield wiper motor (20A).
25. Fresh air blower, Climatronic, A/C (25A).
26. Rear window defogger (25A).
27. Motor for rear windshield wiper (15A).
28. Fuel pump (FP) (15A).
29. Engine control module (ECM) gasoline engine (15A); diesel engine (10A).
30. Power sunroof control module (20A).
31. Transmission control module (TCM) (20A).
32. Injectors: gasoline engine (10A); diesel engine (15A).
33. Headlight washer system (20A).
34. Engine control elements (10A).
35. 12 V power outlet (in luggage compartment) (30A).
36. Fog lights (15A).
37. Terminal (86S) on radio, Instrument cluster (10A).
38. Central locking system (with power windows), luggage compartment light, remote/fuel tank door, motor to unlock rear lid (15A).
39. Emergency flashers (15A).
40. Dual tone horn (20A).
41. Cigarette lighter (15A).
42. Radio (25A).
43. Engine control elements (10A).
44. Heated seats (15A).
Fuse arangements in fuse bracket/battery:
S162. Glow plugs (coolant) (50A).
S163. Fuel pump (FP) relay/glow plug relay (50A).
S164. Coolant fan control (FC) control module/coolant fan (40A).
S176. Relays panel interior (110A).
S177. Generator (GEN) (90 Amp.) (110A).
Generator (GEN) (120 Amp.) (150A).
S178. ABS (hydraulic pump) (30A).
S179. ABS (30A).
S180. Coolant fan (30A). Source(s): http://forums.tdiclub.com/showthread.php?t=122606 fame !

Jul 07, 2009 | 1999 Volkswagen GTI

1 Answer

Engine will die


There is a Communication problem between the Transmission Control Module (TCM) and the Engine control module. That is the bad news and is why it's shutting down the engine. 
The good news is i believe there is a TSB recall on the 2004 - 2007 chevy aveo for the P0700 problem so it should be covered under warranty. 
Believe the TSB# 05-06-01-030D
Good luck and hope this helps and hope it's not a bad ECM. Check the wire harness to the ECM and TCM, look for broken wire or the harness it self gone apart. 

May 24, 2009 | 2004 Chevrolet Aveo

2 Answers

2003 Volkswagen Golf Problem


it should be number 42


MKIV FUSE LIST
1. Washer nozzle heaters, glove compartment light, memory seat control module (10A).
2. Turn signal lights (10A).
3. Fog light relay, instrument panel light dimmer switch (5A).
4. License plate light (5A).
5. Comfort system, cruise control, Climatronic, A/C, heated seat control modules, automatic day/night interior mirror, control module for multi-function steering wheel, control unit in steering wheel (7.5A).
6. Central locking system (5A).
7. Back-up lights, speedometer vehicle speed sensor (VSS) (10A).
8. Open
9. Anti-lock brake system (ABS) (5A).
10. Engine control module (ECM): gasoline engine (10A); diesel engine, Model Year 2000 > (5A).
11. Instrument cluster, shift lock solenoid (5A).
12. Data Link Connector (DLC) power supply (7.5A).
13. Brake tail lights (10A).
14. Interior lights, central locking system (10A).
15. Instrument cluster, transmission control module (TCM) (5A).
16. A/C clutch, after-run coolant pump (10A).
17. Open.
18. Headlight high beam, right (10A).
19. Headlight high beam, left (10A).
20. Headlight low beam, right (15A).
21. Headlight low beam, left (15A).
22. Parking lights right, side marker right (5A).
23. Parking lights left, side marker left (5A).
24. Windshield and rear window washer pump, windshield wiper motor (20A).
25. Fresh air blower, Climatronic, A/C (25A).
26. Rear window defogger (25A).
27. Motor for rear windshield wiper (15A).
28. Fuel pump (FP) (15A).
29. Engine control module (ECM) gasoline engine (15A); diesel engine (10A).
30. Power sunroof control module (20A).
31. Transmission control module (TCM) (20A).
32. Injectors: gasoline engine (10A); diesel engine (15A).
33. Headlight washer system (20A).
34. Engine control elements (10A).
35. 12 V power outlet (in luggage compartment) (30A).
36. Fog lights (15A).
37. Terminal (86S) on radio, Instrument cluster (10A).
38. Central locking system (with power windows), luggage compartment light, remote/fuel tank door, motor to unlock rear lid (15A).
39. Emergency flashers (15A).
40. Dual tone horn (20A).
41. Cigarette lighter (15A).
42. Radio (25A).
43. Engine control elements (10A).
44. Heated seats (15A).
Fuse arangements in fuse bracket/battery:
S162. Glow plugs (coolant) (50A).
S163. Fuel pump (FP) relay/glow plug relay (50A).
S164. Coolant fan control (FC) control module/coolant fan (40A).
S176. Relays panel interior (110A).
S177. Generator (GEN) (90 Amp.) (110A).
Generator (GEN) (120 Amp.) (150A).
S178. ABS (hydraulic pump) (30A).
S179. ABS (30A).
S180. Coolant fan (30A).

Jul 09, 2008 | 2003 Volkswagen Golf

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