For 1990-2009 cars
ABS Components
ABS/TCS Schematics
Power Distribution Schematics
Power Distribution Schematics
Data Link Connector Schematics
Handling ESD Sensitive Parts Notice
Power Distribution Schematics

### Circuit Description

The LOW TRAC Indicator is controlled by the EBCM/EBTCM. When the EBCM/EBTCM detects a low traction condition it supplies a ground for CKT 1537 turning on the LOW TRAC Indicator.

### Diagnostic Aids

• | It is very important that a thorough inspection of the wiring and connectors be performed. Failure to carefully and fully inspect wiring and connectors may result in misdiagnosis, causing part replacement with reappearance of the malfunction.

• | Thoroughly inspect any circuitry that may be causing the complaint for the following conditions:

- | Backed out terminals

- | Improper mating

- | Broken locks

- | Improperly formed or damaged terminals

- | Poor terminal-to-wiring connections

- | Physical damage to the wiring harness

• | The following conditions may cause an intermittent malfunction:

- | A poor connection

- | Rubbed-through wire insulation

- | A broken wire inside the insulation

• | If an intermittent malfunction exists refer to Troubleshooting Procedures Cell 4 in Electrical Diagnosis for further diagnosis.

### Test Description

The number(s) below refer to the step number(s) on the diagnostic table.

1. This step checks for an internal EBCM/EBTCM short.

2. This step checks for a short to ground in CKT 1537.

#### Low Traction Indicator On All of the Time

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
DEFINITION: LOW TRAC Indicator On without a low traction condition.
1 | Was the Diagnostic System Check performed? | -- | Go to Step 2 | Go to Diagnostic System Check
2 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the EBCM/EBTCM connector C1.
3. Turn the ignition switch to the RUN position.

Is the LOW TRAC Indicator off?

--

Go to Step 3

Go to Step 4

3 | Replace the EBCM/EBTCM. Refer to Electronic Brake Control Module Replacement . Is the replacement complete? | -- | Go to Diagnostic System Check | --
4 |

1. Install the J 39700 Universal Pinout Box using the J 39700-530 cable adapter to connector C1 only.
2. Disconnect the Instrument Cluster connector. Refer to Instrument Cluster Cell 81 in Electrical Diagnosis for connector pinout.
3. Using J 39200 DMM, measure the resistance between terminals 26 and 15 of J 39700 .

Is the resistance within the range specified in the value(s) column?

OL (infinite)

Go to Step 6

Go to Step 5

5 | Repair CKT 1537 for a short to ground. Refer to Repair Procedures Cell 5 in Electrical Diagnosis. Is the repair complete? | -- | Go to Diagnostic System Check | --
6 | Suspect the Instrument Panel. Refer to Instrument Panel in Instrument Panel, Gauges and Console. Is the repair complete? | -- | Go to Diagnostic System Check | --