Contents Wiring diagrams Section: Power unit All sections

Check: sensor supply function Peugeot 405 I

ECU information available

Actuator test: no OK

Measure parameters: no OK

Characterised by: short circuit to positive or short circuit to earth

Checks to be carried out if fault is present

Short circuit to positive or short circuit to earth

conditions under which the fault appearschecks to be made conditions for checking
ignition on (+ ignition on) engine stopped or engine runningverify: - ignition on, ECU connected: - presence of 5 V on terminal(s) E1 of the connector of the ECU 32 V.GR - presence of 5 V on terminal(s) C3 of the connector of the ECU 32 V.GR warning: presence of 12 V on switching on then disappearance after a few seconds, short circuit with a function supplied by +ve after relay