Test Point 15 - Transmission Temperature Sensor

TEST POINT 15 - Transmission temperature sensor - Fault code 37

Possible Causes, Elimination, Remarks
If a fault occurs, a replacement value = 60° C is assumed.

Possible faults: Open circuit, short to ground, short to positive, corrupted signal

NOTE: Existing faults are stored only when the engine is running.

1) Check temperature with Tester 9288 (actual values)

2) Pull connector off ECU

Check resistance between pin 46 and pin 44

Nominal value
approx. 1.00 Kohm/2O°C
1.15 Kohm/40°C
1.30 Kohm/60°C

Check wiring.

Check o.k.: ECU faulty

NOTE: If the display "Temperature sensor short to positive" and/or "Transv. acceleration sensor short to positive" appears, this may be due to a faulty control unit.

1. Remove short circuit

2. Replace control unit.