DTC B2788: IG2 Signal Malfunction [11/2018 - 12/2021]: Procedure

WARNING: This page is about a different variant/trim than selected.

INSPECT HARNESS AND CONNECTOR (POWER SOURCE MODE SIGNAL AND BODY GROUND)

Disconnect the steering lock ECU (steering lock actuator with ECU assembly) connector.

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*a	Front view of wire harness connector (to Steering Lock ECU (Steering Lock Actuator with ECU Assembly))

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

Standard Resistance

Tester Connection	Condition	Specified Condition
G56-1 (GND) - Body ground	Always	Below 1 Ω

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

Standard Voltage

Tester Connection	Switch Condition	Specified Condition
G56-6 (IG2) - G56-1 (GND)	Power switch on (IG)	11 to 14 V
G56-6 (IG2) - G56-1 (GND)	Power switch off	Below 1 V

Result

Proceed to
OK
NG

Result:

REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR WITH ECU ASSEMBLY). Refer to DISASSEMBLY [11/2018 - 12/2021]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR