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Home >> Toyota >> 2001 >> Camry LE, 2.2 N >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs & Traction Control System -Diagnostics >> Circuit Inspection >> ABS Warning Light Circuit >> Inspection Procedure

Inspection Procedure

Troubleshoot in accordance with the chart below for each trouble symptom.

ABS WARNING LIGHT CIRCUIT TROUBLESHOOTING

ABS warning light does not light up Go to step  1
ABS warning light remains on Go to step  3
  1. Check ABS warning light. 

    See the combination meter troubleshooting on .

    1. NG: Repair bulb or combination meter assembly. 
    2. OK: Go to next step. 
  2. Check ABS & TRAC solenoid relay. 

    PREPARATION: 

    Remove the ABS & TRAC solenoid relay from Engine Room R/B No. 3.

    CHECK: 

    Check the continuity between each terminal of the ABS & TRAC solenoid relay.

    Fig 1: Checking ABS & TRAC Solenoid Relay
    G02803332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    ABS & TRAC SOLENOID RELAY CONTINUITY REFERENCE - TERMINALS (1 - 6)

    Terminals 4 and 6 Continuity (Reference value 80 Ω)
    Terminals 2 and 3 Continuity
    Terminals 1 and 3 Open

    CHECK: 

    1. Apply battery positive voltage between terminals 4 and 6.
    2. Check the continuity between each terminal of the ABS & TRAC solenoid relay.

    OK: 

    ABS & TRAC SOLENOID RELAY CONTINUITY REFERENCE - TERMINALS (1 - 3)

    Terminals 2 and 3 Open
    Terminals 1 and 3 Continuity

    CHECK: 

    Connect the positive (+) test lead to terminal 5 and the negative (-) lead to terminal 3. Check continuity between the terminals.

    OK: Continuity 

    If there is no continuity, connect the negative (-) test lead to terminal 5 and the positive (+) lead to terminal 3. Check the continuity between terminals once again.

    1. NG: Replace ABS & TRAC solenoid relay. 
    2. OK: Check for open circuit in harness and connector between DLC1, ABS & TRAC solenoid relay and body ground . 
  3. Is DTC output? 

    Check the DTC on PRE-CHECK  .

    1. YES: Repair circuit indicated by code output. 
    2. NO: Go to next step. 
  4. Does ABS warning light go off? 
    1. NO: Check for short circuit in harness and connector between ABS warning light, DLC1 and ABS & TRAC ECU . 
    2. YES: Go To Next Step 
  5. Check ABS & TRAC solenoid relay (See step   2 ). 
    1. NG: Replace ABS & TRAC solenoid relay. 
    2. OK: Check for short circuit in harness and connector between DLC1 and ABS & TRAC solenoid relay . 
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