17B-3V2 MR-376-X76-17B050$010.mif
PETROL INJECTION
Fault finding – Introduction17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
3. SAFETY INSTRUCTIONS
Safety rules must be observed during any work on a component to prevent any material damage or personal injury:
– Make sure the battery is properly charged to avoid damaging the computers if there is a low charge.
– Use the appropriate tools.
4. REMINDER
To run diagnostics on the vehicle computers, switch on the ignition using the key
To switch off the + after ignition feed, switch off the ignition using the key.
17B-178V2 MR-376-X76-17B050$110.mif
PETROL INJECTION
Fault finding – Interpretation of statuses17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
AFTER REPAIRDeal with any faults. Clear the faults from the computer memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
ET846INJECTION PROTECTION
STATUS DEFINITIONNOT PROTECTED
BLANK: No signal
PROTECTED STATUS 1: Fault on coded line circuit
PROTECTED STATUS 2: Fault on immobiliser memory area
PROTECTED STATUS 3: Injection computer self-protection
BLANK:
– The injection computer does not receive a signal from the UCH computer.
– Run fault finding on the multiplex network.
PROTECTED STATUS 1:
The UCH computer does not respond to the authentication requests from the injection computer.
Several possibilities:
– either the UCH computer was not programmed with the vehicle's card/key,
– or the vehicle's card/key is not recognised by the UCH computer.
– Run fault finding on the UCH computer.
PROTECTED STATUS 2:
Several possibilities:
– either the injection computer is blank and was not programmed with the immobiliser code, and the UCH
computer is not authorised to send the immobiliser code,
– Connect a diagnostic tool to the UCH computer to authorise it to send the immobiliser code.
– or the UCH computer has detected a fault,
– Run fault finding on the UCH computer.
V42_V04_ET846/V42_V05_ET846/V42_V06_ET846/V42_V14_ET846/V42_V16_ET846/V42_V18_ET846
