Caja Automatica

Transmission:

GM 4L60E/4L65E/4L70E
07X221

Dedicated Harness Set:

Transmission Code: 073 early 078 late 07X207 (obsolete)
NOTE:
Resistance Cold-Hot
20 - 40 Ω 20 - 40 Ω 9 - 14 Ω 20 - 40 Ω9 - 14 Ω 3.5 - 4.6 Ω ♦

SOLENOID TEST:
Solenoid
Solenoid A (1-2/3-4) Solenoid B (2-3) 3-2 Solenoid (pulsed) Lock-Up Apply LU Feel (pulsed) * EPC (pulsed)

(Engine off)
AMPS Cold-Hot
0.6 - 0.30.6 - 0.3 1.3 - 0.9 0.6 - 0.3 0.0 – 1.8
Duty MIN - MAX

TranX Setting
Gear 1 Gear 2 Gear 3 Gear 5 Gear 6 Gear 8

Output Channel
1 2 3 5 6 8

4L70E has an added speed sensor. 07X207 will notwork on it. 07X221 will work for all models of the 4L60E and 4L70E. Lock Up Feel
♦

0 - (0.9 - 1.8)
Duty MIN - MAX

Solenoid was added during 1995 4L60E Model Year. If you get a reading onChannel 6 use code 078 for shift/monitor test. Use code 078 for 4L70E.

CAUTION:
Always come to a COMPLETE STOP & TURN ENGINE OFF before changing test modes SHIFT/MONTIOR TEST
GEAR
1st 2nd 3rd 4thSolenoid A
ON OFF OFF ON

Solenoid B
ON ON OFF OFF

3-2 Solenoid Function 2 (pulsed)
OFF ON ON ON

Lock-Up

LU Feel Function 3 (pulsed)
Select Duty Select Duty Select Duty Select DutyEPC (pulsed)
Select Duty Select Duty Select Duty Select Duty

OFF ON/OFF ON/OFF ON/OFF

Notes:
♦ ♦ ♦ ♦ ♦

EPC Solenoid current read on output channel 8 for solenoid test, shift test and formonitor mode. EPC Solenoid duty cycle displayed in monitor mode is actual duty cycle from ECM. Lock Up is normally activated in 2nd, 3rd and 4th Gears. Lockup is activated in late models by energizingboth Lockup and LU Feel solenoids. See other side for connector diagram. Polarity = Common Positive
TranX 2000 Manual GM: Page 11

Transmission:

GM 4L60E/4L65E/4L70E
TOT Sensor Testing
Range C(Sensor 3) Red Red Red Connect Multimeter to Sensor Module Test Points 5 & 6 Range A (Sensor 1) Red Range B (Sensor 2)

Pressure Switch Settings
Gear Park Reverse Neutral Drive (1 to 4) Manual 3...