Retrieving Trouble Codes

CAUTION: Ensure engine remains running while retrieving DTCs. Any DTCs will be erased if ignition is turned off.

After test driving vehicle, apply parking brake and idle engine with gear selector in "P" position. Locate natural colored 6-pin diagnostic monitor coupler under instrument panel, to right of steering column. See Fig 1.
Using an analog ohmmeter, connect leads between chassis ground and terminal "A" of coupler. Using a jumper wire, jumper terminals "B" and "D" of coupler together. See Fig 1.
To read DTCs, record sequence of ohmmeter indicator sweeps. All DTCs are 2-digit numbers. Each digit is separated by a 1.5 second pause. Additional DTCs are separated by a 2.5 second pause. See Fig 2. Record all DTCs.
Once DTC is obtained, determine probable cause and symptom. See DTC IDENTIFICATION table. For trouble shooting of DTCs, see DIAGNOSTIC TESTING . Turn ignition off and remove jumper wire.

Fig 1: Identifying Diagnostic Monitor Coupler Terminals

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Identifying Trouble Code Displays

Courtesy of SUZUKI OF AMERICA CORP.

DTC IDENTIFICATION

DTC

⁽¹⁾ Probable Cause

Normal

Open Direct Clutch Solenoid Circuit

Shorted Direct Clutch Solenoid Circuit

Open 2nd Brake Solenoid Circuit

Shorted 2nd Brake Solenoid Circuit

Shorted RD2L Signal

Open/Shorted Vehicle Speed Input Circuit

⁽²⁾ Transmission Range (TR) Switch Circuit

Engine Speed Input Circuit

⁽¹⁾	Check listed component for probable cause. Also check wiring and connections of specified component.

⁽²⁾	May also be known as Park/Neutral Position (PNP) switch.