General Description

1st Gear Recognition Switch is used to control fuel quantity and improving a climb performance when going up a sloping road.

This monitoring is to detect the implausible input from 1 st gear recognition switch or neutral switch and carried out only once in the same driving cycle.

DTC Description

If the auto transaxle generates threshold value, the ECM judged this as a fault and DTC is set

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Circuit continuity check

● Short in 1st gear recognition switch power circuit

● Faulty 1st gear recognition switch

● Faulty ECM

Enable Conditions

● Engine run

Threshold Value

● Short for 1st gear recognition switch circuit

Diagnostic Time

● 1 sec.

MIL

Fuel Limit

Fuel Cut

EGR Off

● No

● No

● No

● No

Schematic Diagram
Яндекс.Метрика