Climatronic system no power

IF LUCKY JUST FUSES BLOW. GEE CHECK THEM.

THAT BAD ACT CAN BE VERY EXPENSIVE ERROR. BLOWING UP COSTLY ELECTRONICS.

ZERO POWER IS A BLOWN FUSE.
HEAD LAMPS MUST WORK EVEN KEY OFF
SO FIX THOSE FIRST.
USE THE SERVICE MANUAL .

Jump start the car and measure with a voltmeter the voltage accross the battery. It should read 13.7 volts or greater with the engine running.if it doesn't it's the alternator or the voltage regulator. If it reads normal 13.7 or greater then measure the voltage accross the battery with the engine off. It should be 12 volts or slightly higher. If those readings are nominal then there is something that is drawing oower when the car is turned off, could be a light or some other short in the electrical system. If you have anything connected to AUX power make sure the voltage is zero volts with the engine off..

Sounds like yoh have a mega fuse fuse at the power distribution junction blown. That is the only pce all of those components come together. If nothing electrical is working then you would have a blown mega fuse or a bad ground, short, or something along those lines. Just start at the power distribution under the hood and work your way down from there. Check the under hood fuses as well as grounds and power cables for corrosion and breaks. Good luck.

old posts zero answers. what year, no year stated.?
great post, Key does nothing" clear
and is called NO CRANK, if it cant crank it cant start (m/t push starting might)
any time its a no crank,
check ALL FUSES.
1: if A/t wiggle gear shift (P then try Neutral) N might work.
2: if M/T , wiggle clutch , near floor pressed.

if CEL lamp is dead, key on, the fuses are blown.
the CEL must glow key on, or Fuses blown.
easy huh?

fuse blown
fuse that look good can be bad, if they look bad, they are.
use any DMM meter, use Rx1 ohm range. check for fuse continuity.
if zero ohms , iTs good, and the meter never lies.
learn to use the meter.
if the fuse is good, use the same meter, to measure voltage
and trace the wires to the failing point. (open circuit)

check for blown fuse-able links at starter or blown fuse in fuse box under the hood...

I was told to replace the A/C relay that might work for you. Although it did not work for me. I changed the fuse the relay and the climotronic unit and nothing works. Did you find a solution thanks

yes possible

check fuses in your engine compartiment and in kickpanel driver side

If you indeed check and veify the fuses are good than you need to check the relay(s) that control the system. These should all be located in the power box located drivers side firewall under the hood (Black cover). You may need to reference your manual for the relative position of the affected componenets (Fuse, Relay, etc...)

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).