Engines Troubleshoot
From E30 Zone Wiki
Revision as of 07:18, 16 February 2012 by Grrrmachine (talk | contribs)
Nightmare. Your engine won't start! Dry your eyes and pick up your tools, we'll get her going again.
Troubleshoot
The troubleshooting table is a clickable diagram to help you solve your engine woes. A picture of the entire table is available.
| START | ||||||||
| ↓ | ||||||||
| test bulb on coil | bridge wire to coil | green wire | ||||||
| ↓ | ↑ | ↑ | ||||||
| Does it glow? | → | Immobiliser? | → | OBC? | → | Check for 12V at ECU | ||
| ↓ | ||||||||
| Does the engine crank? | → | → | → | Does it try to start? | → | Pull out Fuse 11 | ||
| ↓ | ↓ | ↓ | ||||||
| Does the battery have 12V? | → | charge battery | ↓ | Does it try to start? | → | ↓ | ||
| ↓
↓ |
↓ | ← | Does the ICV buzz
with ignition on? |
↓
↓ |
↓
↓ | |||
| ↓ | ↓ | ↓ | Test Blue Temp Sensor | ↓ | ||||
| Diagnostic Plug Start | Bridge the DME Relay | → | Does the fuel pump
run when cranking? |
→ | → | ↓ | ↓ | |
| ↓ | ↓ | ↓ | ↓ | ↓ | ||||
| ↓ | DME Relay | Check Fuse 11 | ↓ | ↓ | ||||
| ↓ | ↓ | ↓ | ↓ | |||||
| ↓ | Fuel Pump Relay | ← | Bridge the Fuel Pump Relay | Fuel Pump | ↓ | ↓ | ||
| ↓ | ↓ | ↑ | ↓ | ↓ | ||||
| Does the engine crank? | → | Ignition Switch | Connect bulb across Fuel Pump pins | → | Does it glow? | ↓ | ↓ | |
| ↓ | ↓ | ↓ | ↓ | |||||
| Starter Motor | Test CPS | ← | ← | ← | Check for spark | ← | ↓ | |
| ↓ | ↓ | |||||||
| Check for air leaks | ← | ← |
Solutions
Test Bulb On Coil
Bridge Wire To Coil
Green Wire
There's a green wire, the sneaky fuck