Ca

CHECK CERTIFICATION ECU (POWER SOURCE CIRCUIT)

(a) Turn the ignition switch off.

(b) Disconnect the E58 certification ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester Connection

Condition

Specified Condition

E58-17 (E) - Body ground

Always

Below 1 Q

(d) Measure the voltage according to the value(s) in the table below. Standard voltage

Tester Connection

Condition

Specified Condition

E58-1 (B) - Body ground

Always

10 to 14 V

E58-18 (IG) - Body ground

Ignition switch on (IG)

10 to 14 V

E58-19 (ACC) - Body ground

Ignition switch on (ACC)

REPLACE CERTIFICATION ECU

REPAIR OR REPLACE HARNESS OR CONNECTOR (FUSES - ECU, ECU - BODY GROUND)

CHECK SHORT TO +B IN CAN MS BUS WIRE (CERTIFICATION ECU)

Certification ECU Connector (Wire Harness Side):

CANL

CANH

CANL

CANH

C136713E02

(a) Turn the ignition switch off.

(b) Disconnect the E58 certification ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester Connection

Condition

Specified Condition

E58-27 (CANH) - E58-1 (+B)

Ignition switch off

6 kQ or higher

E58-28 (CANL) - E58-1 (+B)

Ignition switch off

6 kQ or higher

REPLACE CERTIFICATION ECU

REPLACE CERTIFICATION ECU

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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