Fault Code Guide

J1587 Fault 136-030 Recirculation Pump Relay
MID SID FMI Problem Test Test Result Action
136 030 07
Pump relay sticks, pump
continues to run when
ECU deactivates the relay
NOTE: The problem may
be intermittent and a new
relay may be required to
correct the fault.
4. If the fault is active,
disconnect the black X2
connector from the ECU.
With the ignition ON, check
to see if the recirculation
pump is running.
Pump OFF
The ABS pump relay
(located in the chassis
harness, near the ABS
valve) may be
intermittently sticking. Try
a new relay and verify that
the problem is solved.
Pump ON
The ABS pump relay
(located in the chassis
harness, near the ABS
valve) is sticking. Replace
the relay.
Table 11, J1587 Fault 136-030 Recirculation Pump Relay
Meritor WABCO Hydraulic Antilock Braking System (ABS) 42.26
Troubleshooting
Business Class M2 Workshop Manual, Supplement 4, March 2003 300/17