ABS <4WD> -
Troubleshooting
35B-14
Code No. 33 Stop lamp switch system (open circuit or
ON problem)
Probable cause
This code is output at the following cases:
D
If the stop lamp switch is continuously on for 15 minutes or more while
driving
D
If there is an open circuit in the stop lamp switch input circuit harness
D
Malfunction of stop lamp switch
D
Malfunction of harness or connector
D
Malfunction of ABS-ECU
OK
NG
Check the harness wire,
and repair if necessary.
D
Between stop lamp
switch and ABS-ECU
NG
Replace the ABS-ECU.
NG
Repair
Check the trouble
symptoms.
NG
Repair
OK
Check the trouble
symptoms.
NG
Check the following
connectors:
D-26
<L.H.D.>, D-33 <L.H.D.>,
D-124 <R.H.D.>, D-128,
D-136, E-13, E-107
OK
Check the following
connector:
E-107
NG
Check the harness wire, and repair if necessary.
D
Between fusible link No.2 and stop lamp switch
OK
OK
Check the following connectors:
D-26 <L.H.D.>, D-27,
D-124 <R.H.D.>, D-136
OK
Does the stop lamp turn on and off normally?
NO
NG
Repair
NG
Replace
NG
Repair
YES
Measure at ABS-ECU connector E-107.
D
Disconnect the connector and measure at the harness
side.
D
Stop lamp switch: ON
D
Voltage between terminal 34 and body earth
OK:
System voltage
Stop lamp switch installation check
(Refer to 35A - On-vehicle Service.)
Check the trouble symptoms.
Stop lamp switch check
(Refer to GROUP 35A - Brake Pedal.)
OK
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