ABS <4WD> -
Troubleshooting
35B-19
Inspection procedure 2
Communication with MUT-
II
and the ABS-ECU is not
possible.
Probable cause
The cause is probably an open circuit in the ABS-ECU power supply circuit or
an open circuit in the diagnosis output circuit.
D
Blown fuse
D
Malfunction of harness or connector
D
Malfunction of the ABS-ECU
(1)NG
OK
Check the following connectors:
E-13, E-107
NG
Repair
OK
Check the trouble symptoms.
NG
Check the harness wire, and repair if necessary.
D
Between ABS-ECU and diagnosis connector
OK
Check the following connectors:
D-32 <R.H.D.>, D-128,
D-208, D-210 <R.H.D.>, D-213 <L.H.D.>, E-08 <Diesel>, E-13,
E-106
NG
Repair
OK
Check the trouble symptoms.
NG
Check the harness wire, and repair if necessary.
D
Between the ignition switch and the ABS-ECU
NG
Repair
OK
Check the trouble symptoms.
NG
Check the harness, and repair if necessary.
D
Between the ignition switch and the ABS-ECU
OK
NG
Repair
OK
NG
Replace the ABS-ECU.
Measure at diagnosis connector D-23 and ABS-ECU connector
E-107.
D
Disconnect the connectors and measure at the harness
side.
D
Continuity between the following terminals:
Between terminals 47 (ABS-ECU side) and 1 (diagnosis
connector side)
Between terminals 36 (ABS-ECU side) and 7 (diagnosis
connector side)
OK:
Continuity
NG
Check the following connectors:
D-23, D-33, D-128, D-222,
E-13, E-107
Check the trouble
symptoms.
Check the following connectors:
E-106, E-107
(2)NG
Measure at ABS-ECU connectors E-106, E-107.
D
Disconnect the connectors and measure at the harness
side.
D
Ignition switch: ON
(1) Voltage between terminal 13 and body earth
OK:
System voltage
(2) Voltage between terminal 31 and body earth
OK:
System voltage
OK
Check the following connectors:
E-106, E-107
Repair
OK
Check the trouble
symptoms.
NG
Check the harness wire, and repair if necessary.
D
Between the ABS-ECU and earth
NG
NG
Measure at ABS-ECU connectors E-106, E-107.
D
Disconnect the connectors and measure at the harness
side.
D
Continuity between terminals 12, 25, 26 and 42 and body
earth
OK:
Continuity
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
To Next Page
Loading...
Need help?
General
