Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Has a problem been found?
![]() | ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Go to "Ground Circuit Inspection" procedure. |
Ignition Switch "OFF"
Disconnect battery (-) cable.
Refer to "Shop Manual" and disconnect the neutral S/W connector.
Measure resistance between Pin No. 1(ground) of the neutral S/W and chassis ground.
Specification : Approx. below 1Ω
Ignition switch "OFF"
Refer to "Shop Manual" and disconnect the neutral S/W connector.
Ignition switch "ON"
Measure voltage of Pin No. 2(Power) of the neutral S/W connector and chassis ground.(A)
Measure voltage between Pin No. 2(Power) and Pin No. 1(Ground) of the neutral S/W connector.(B)
Specification : Difference (A) and (B) is less then 200 mV
Is the measured value withing specification?
![]() | ▶ Go to "Control Circuit Inspection" procedure. |
![]() | ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure. |
Ignition Switch "OFF"
Refer to "Shop Manual" and disconnect the neutral S/W connector.
Ignition Switch "ON"
Measure voltage of Pin No. 2(signal) of the neutral S/W connector and chassis ground.
Specification : B+
Go to "Component Inspection" procedure.
![]() | ▶ Go to "Component Inspection" procedure. |
![]() | ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure. |