Standard

Brake Pedal Operations

Specified Conditions

Depressed

STP signal ON

Released

STP signal OFF

(e) Measure the voltage between the terminals of the E8 and E6 ECM connectors. Standard Voltage

Tester Connections

Brake Pedal Operations

Specified Conditions

ST1 - (E8-16) - E1 (E6-1)

Depressed

Below 1.5 V

ST1 - (E8-16) - E1 (E6-1)

Released

7.5 to 14 V

CHECK FOR INTERMITTENT PROBLEMS

CHECK FOR INTERMITTENT PROBLEMS

CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH - ECM)

(a) Disconnect the S10 stop light switch connector.

(b) Disconnect the E8 ECM connector.

(c) Check the resistance.

Standard Resistance (Check for open)

Tester Connections

Specified Conditions

Below 1 Q

Standard Resistance (Check for short)

Tester Connections

Stop light switch (S10-1) or STP (E8-15) - Body ground

Stop light switch (S10-4) or ST1- (E8-16) - Body ground

Specified Conditions

10 kQ or higher

(d) Reconnect the stop light switch connector.

(e) Reconnect the ECM connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE ECM

P0505

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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