Solenoid valve identification


Created: 10. 08. 2007
Updated: --. --. ----

Model:
All Peugeot models with AL4 automatic transmission.

Problem:
Open circuit in any of the shift control valves.
This is indicated by the transmission being in LIMP HOME MODE.
A transmission fault warning to the driver.
Fault code stored in the transmission ECU.

Possible Causes:
Bad connection in the ECU connector, bad connection in the gray 33 way connector on the transmission,
break in wire or faulty valve.

Solution:
Pins in both connectors are removable and can be repaired.
Join broken wires or replace the harness.
Replace faulty shift valves.

Some handy information:
Below is some information that may assist with circuit tests for the PEUGEOT AL4 valve body.
Picture of valve body for valve identification.

Terminal numbers for shift valves
Terminal 1 is positiv supply for all shift valves.
Resistance for shift valves is is 40 Ω ± 2
Resistance for EVM and EVLU: 1.1 Ω ± 2

 

Valve 33 Way Gray Connector ECU Connector
EV1 B11
B3
10
1
EV2 B8
B3
9
1
EV3 B10
B3
7
1
EV4 B7
B3
8
1
EV5 B5
B3
13
1
EV6 B2
B3
14
1
Converter EVLU B6
B12
19
26
Pressure EVM B9
B12
20
26


Technical information by
peugeotlogic.com