TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS — Diagnostic Procedure 1 (Wheel sensor or rotor)
BR-7034flowchartConnector identifiers differentiate LHD vs RHD: Front RH connector is M3 on LHD, M122 on RHD; Front LH is E43 on both.
Diagnostic Procedure 1 (Wheel sensor or rotor)
Malfunction code No. 21, 22, 25, 26, 31, 32, 35, 36 or 18
Diagnostic Procedure 1 — Wheel sensor or rotor
1
INSPECTION STARTS
1. Disconnect connectors from ABS actuator and electric unit and wheel sensor of malfunction code No. Check terminals for damage or loose connections. Then reconnect connectors.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
No
Inspection end
Yes
2
A — CHECK WHEEL SENSOR ELECTRICAL.
1. Disconnect ABS actuator and electric unit connector.
2. Check resistance between ABS actuator and electric unit connector (E6) (body side) terminals.
Code No. 21 or 22 (Front RH wheel) Terminals (4) and (5)
Code No. 25 or 26 (Front LH wheel) Terminals (6) and (7)
Code No. 31 or 32 (Rear RH wheel) Terminals (1) and (3)
Code No. 35 or 36 (Rear LH wheel) Terminals (8) and (9)
Resistance: Front 1.44 - 1.76 kΩ
Rear 1.44 - 1.76 kΩ
OK
(A) (Go to next page.)
NG
3
B — CHECK WHEEL SENSOR.
Check each sensor for resistance.
Resistance: Front 1.44 - 1.76 kΩ
Rear 1.44 - 1.76 kΩ
NG
REPLACE.
REPLACE.
Replace wheel sensor.
OK
4
Check the following.
• Harness connectors
• Harness for open or short between wheel sensor connectors and ABS actuator and electric unit
If NG, repair harness or connectors.