Pinpoint Tests

NOTE: To identify appropriate test, see PINPOINT TEST TROUBLE CODE INDEX table. To identify breakout box pins, see the BREAKOUT BOX (BOB) PIN TO ECM PIN CHART . If condition is not corrected at completion of specified pinpoint test, refer to PRETEST CHECKS .

PINPOINT TEST TROUBLE CODE INDEX

Codes

Proceed To Test

12 Start Code (No faults Detected)

⁽¹⁾B1

21 (RF Wheel Speed Sensor)

22 (RF Wheel Speed Sensor)

25 (LF Wheel Speed Sensor)

26 (LF Wheel Speed Sensor)

31 (RR Wheel Speed Sensor)

32 (RR Wheel Speed Sensor)

35 (LR Wheel Speed Sensor)

36 (LR Wheel Speed Sensor)

61 (Hydraulic Pump Motor Circuit)

71 (ABS Control Module)

⁽²⁾

No Code, Light On Continuously (Hydraulic Solenoid Circuit)

No Code, Light Not On (ABS Control Module Power Supply)

⁽¹⁾	Code 12 will be displayed if no other codes are indicated. Proceed to PINPOINT TEST B1 .

⁽²⁾	Erase codes and repeat ABS QUICK CHECK . If Code 71 is received again, replace ABS control module.

BREAKOUT BOX (BOB) PIN TO ECM PIN CHART

ABS Electronic Control Module Pin No.	BOB Pin No.	Wire Color
1	1	Light Green
2	51	Green/Orange
4	9, 43	Yellow/Blue
5	4	Yellow/Green
8	45	White/Blue
9	44	Pink/Blue
11	56	Green
14	24	Blue/Black
17	28	Brown
18	8	Green/Red
20	52	Black
21	16	White
24	49	Orange
25	2	Green/Black
26	25	Blue/Green
27	35	Green/Yellow
28	34	White/Green
29	17	Yellow/Red
30	48	Gray/Blue
32	6	Yellow/Purple
34	58	Black
35	32	Green/White