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6-3-88 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z13DT ENGINE)
Test
Work Order Description
T19
Check: Short to Ground/Interruption of Voltage Supply Circuit
• Remove electrical component from socket:
Circuit Fuse
• Check the following component for proper operation:
Circuit Fuse
Yes: T20
T20
Check: Interruption of Voltage Supply Circuit
• Measure voltage between the following terminals:
Circuit Fuse – Input contact
&
Ground
Yes: E17
T21
Check: Short to Ground of Voltage Supply Circuit
• Remove fused jumper wire
• Disconnect wiring harness connector from:
EGR Valve
• Measure resistance between the following terminals:
ECM – Wiring harness connector (wiring harness side) terminal E27-5
&
Ground
Yes: T22
T22
Check: Component
• Connect wiring harness connector to:
EGR Valve
• Connect fused jumper wire to:
Circuit Fuse – Output contact
&
Battery positive (+) terminal
• Check the following component for proper operation
Fuse of the fused jumper wire
Yes: E01
Nominal Value
Test okay?
No: T21
greater than 11 V
No: E18
greater than 500
kOhm
No: E19
Test okay?
No: E20
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