All, Except California Spec Vehicles.

DATA TROUBLE CODE: 13

SYSTEM: G, NE Signal Circuit (No. 2)

CIRCUIT DESCRIPTION
Refer to G, NE signal circuit (No. 1)
DTC 12

DIAGNOSTIC TROUBLE CODE DETECTING CONDITION
- No NE signal to engine control module (ECM) for 0.3 sec. or more at 1,500 rpm or more.
- No G signal to ECM while NE signal is input 4 times to ECM when engine speed is between 500 rpm and 4,000 rpm.

TROUBLE AREA
- Open or short in NE circuit
- Distributor
- ECM