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Test 5A - Repairing Ignition Input Circuit

NOTE: For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see appropriate chassis wiring diagram in the WIRING DIAGRAMS article.
  1. Ensure ignition is off. Disconnect VTA module. Turn ignition on. Using DRB-II, check voltage at terminal No. 12 (Dark Blue wire) of VTA module connector. If voltage is more than 10 volts, replace VTA module. Perform TEST VER-1  . If voltage is less than 10 volts, remove wiper circuit breaker.
  2. Using DRB-II, check voltage at terminal No. 4 (Light Green/Black wire) of circuit breaker receptacle. If voltage is less than 10 volts, repair open voltage feed circuit (Light Green/Black wire). If voltage is more than 10 volts, check resistance at terminal No. 2 (Light Green/Black wire) of wiper circuit breaker receptacle and terminal No. 12 (Dark Blue wire) of VTA module connector.
  3. If resistance is less than 5 ohms, repair shorted circuit. Perform TEST VER-1  . Replace circuit breaker. If resistance is more than 5 ohms, repair open voltage feed circuit. Perform TEST VER-1  .
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