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7. (B29) BRAKE SWITCH NO.1 SIGNAL CIRCUIT OPEN Measure the resistance of the (B29) Brake Switch No.1 Signal circuit Is the resistance below 5.0 ohms? Yes >> Go To 8 No >> Repair the open in the (B29) Brake Switch No.1 Signal cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 8. PCM NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal Were there any problems found? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace and program the Powertrain Control Module per Service Information. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 632 ENGINE ELECTRICAL DIAGNOSTICS LX |